List of 1974 Macropædia articles
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The Macropædia is the third part of the Encyclopædia Britannica; the other two parts are the Micropædia and the Propædia.
The Macropædia was introduced in the 15th edition (1974) with 4,207 articles; in the drastic reorganization of that edition in 1985, these articles were combined and condensed into roughly 700 articles, ranging in length from 2-310 pages. The articles of the Macropædia are generally written by named contributors and have references, in contrast to the roughly 65,000 articles of the Micropædia that have no named contributor and no references.
The "Number of Pages" entries below have generally been rounded up to the nearest integer.
[edit] Volume 1
| Article Title | Volume | Number of Pages | Number of References | Year of Latest Reference | Year Introduced | Contributors | Propædia Section | Article Number |
|---|---|---|---|---|---|---|---|---|
| Alvar Aalto | 1 | 2 | 5 | 1971 | H.F.K. | 1 | ||
| Aaron | 1 | 1 | 5 | 1967 | A.S.K. | 2 | ||
| 'Abbās I the Great, of Persia | 1 | 1 | 5 | 1943 | R.M.Sa. | 3 | ||
| 'Abd al-Malik ibn Marwān | 1 | 1 | 3 | 1964 | T.Kh. | 4 | ||
| 'Abd al-Mu'min | 1 | 1 | 2 | 1957 | H.-L.-É.T. | 5 | ||
| 'Abd ar-Raḥmān III an-Nāṣir | 1 | 1 | 3 | 1965 | T.Kh. | 6 | ||
| Abdelkader | 1 | 1 | 4 | 1965 | M.E. | 7 | ||
| Muḥammad 'Abduh | 1 | 1 | 5 | 1966 | M.H.K. | 8 | ||
| Niels Henrik Abel | 1 | 1 | 6 | 1957 | Ed. | 9 | ||
| Peter Abelard | 1 | 1 | 9 | 1971 | D.E.L. | 10 | ||
| Abraham | 1 | 2 | 14 | 1968 | A.Pa. | 11 | ||
| Abrasives | 1 | 4 | 7 | 1963 | D.J.B. | 12 | ||
| Abū Ḥanīfah | 1 | 1 | 6 | 1964 | Z.I.A. | 13 | ||
| Acanthocephala | 1 | 1 | 5 | 1967 | F.E.G.C. | 14 | ||
| Acarina | 1 | 4 | 6 | 1961 | N.A.W. | 15 | ||
| Particle Accelerators | 1 | 9 | 14 | 1967 | Y.M.A. | 16 | ||
| Acclimatization | 1 | 4 | 7 | 1969 | L.I. | 17 | ||
| Principles of Accounting | 1 | 7 | 8 | 1970 | G.Sh. | 18 | ||
| Accra | 1 | 2 | 3 | 1969 | K.B.D. | 19 | ||
| Acid-Base Reactions and Equilibria | 1 | 9 | 16 | 1970 | R.P.B. | 20 | ||
| Acoustical Engineering | 1 | 4 | 5 | 1971 | R.B.N. | 21 | ||
| Acre | 1 | 1 | 0 | N/A | J.C.M.C. | 22 | ||
| Acting | 1 | 6 | 30 | 1971 | Le.S. | 23 | ||
| Actinide Elements and Their Compounds | 1 | 6 | 4 | 1968 | L.B.As. | 24 | ||
| Lord Acton | 1 | 1 | 6 | 1962 | A.W.J. | 25 | ||
| Robert Adam | 1 | 2 | 5 | 1970 | S.Mi. | 26 | ||
| Henry Adams | 1 | 2 | 16 | 1969 | C.McH. | 27 | ||
| John Adams | 1 | 3 | 7 | 1966 | R.A.E. | 28 | ||
| John Quincy Adams | 1 | 2 | 6 | 1956 | S.F.Be. | 29 | ||
| Samuel Adams | 1 | 1 | 6 | 1965 | J.R.Al. | 30 | ||
| Addis Ababa | 1 | 3 | 4 | 1967 | A.Dem. | 31 | ||
| Joseph Addison | 1 | 2 | 10 | 1968 | D.F.B. | 32 | ||
| Gulf of Aden | 1 | 1 | 4 | 1970 | M.T.J. | 33 | ||
| Konrad Adenauer | 1 | 1 | 3 | 1971 | Eu.G. | 34 | ||
| Adhesives | 1 | 3 | 6 | 1970 | None | 35 | ||
| Administrative Law | 1 | 6 | 29 | 1971 | W.A.R. | 36 | ||
| Adriatic Sea | 1 | 1 | 4 | 1969 | A.D.H. | 37 | ||
| Adult Education | 1 | 4 | 10 | 1970 | E.M.H. | 38 | ||
| Adventists | 1 | 2 | 10 | 1971 | J.H.Sm. | 39 | ||
| Advertising | 1 | 5 | 15 | 1971 | V.R.F. | 40 | ||
| Advertising Design | 1 | 3 | 28 | 1971 | J.M.-Br. | 41 | ||
| Aegean Civilizations | 1 | 11 | 23 | 1971 | M.S.F.H. | 42 | ||
| Aegean Sea | 1 | 1 | 4 | 1968 | A.D.H. | 43 | ||
| Aerial Sports | 1 | 5 | 16 | 1970 | L.E. | 44 | ||
| Aeronautical Engineering | 1 | 3 | 8 | 1971 | R.L.Bi. | 45 | ||
| Aerospace Industry | 1 | 11 | 8 | 1971 | J.J.Ha. | 46 | ||
| Aerospace Medicine | 1 | 5 | 5 | 1971 | D.E.Bu. | 47 | ||
| Aeschylus | 1 | 2 | 14 | 1972 | A.J.P. | 48 | ||
| Aesthetics | 1 | 14 | 37 | 1971 | S.C.P.; Th.M. | 49 | ||
| Afars and Issas | 1 | 1 | 2 | 1970 | M.B.P. | 50 | ||
| Afghanistan | 1 | 8 | 17 | 1970 | M.S.F. | 51 | ||
| History of Afghanistan | 1 | 4 | 17 | 1970 | L.F.R.-W.; M.Al.; F.R.Al. | 52 | ||
| Africa | 1 | 41 | 122 | 1972 | D.S.H.W.N.; R.L.C.F.; Ro.W.St.; K.B.D.; L.H.B.; F.S.A.; R.K.A.G. | 53 | ||
| African Languages | 1 | 14 | 58 | 1971 | M.F.Go.; D.W.C. | 54 | ||
| Arts of African Peoples | 1 | 47 | 96 | 1973 | F.Wi.; H.Ty.; G.K.; A.M.J.; A.M.D.; D.P.K.; U.Be.; Ja.Kn.; G.H.M.; Ma.A.C.; P.Wa.; Si.M. | 55 | ||
| African Peoples and Cultures | 1 | 7 | 41 | 1971 | J.F.M. | 56 | ||
| Prehistoric Africans | 1 | 4 | 4 | 1970 | S.M.Co. | 57 | ||
| Louis Agassiz | 1 | 1 | 1 | 1960 | D.S.J. | 58 | ||
| Law of Agency | 1 | 5 | 11 | 1964 | W.M.-F. | 59 | ||
| Aggressive Behaviour | 1 | 4 | 4 | 1970 | R.J.A. | 60 | ||
| Aging | 1 | 5 | 7 | 1966 | G.A.Sa. | 61 | ||
| Human Aging | 1 | 5 | 10 | 1970 | N.W.S. | 62 | ||
| Agnatha | 1 | 2 | 7 | 1972 | Ro.S. | 63 | ||
| Agnosticism | 1 | 3 | 13 | 1961 | A.G.N.F. | 64 | ||
| Georgius Agricola | 1 | 1 | 3 | 1955 | R.W.C. | 65 | ||
| Agricultural Economics | 1 | 7 | 6 | 1969 | D.G.J. | 66 | ||
| Agricultural Sciences | 1 | 2 | 7 | 1969 | G.P. | 67 | ||
| History of Agriculture | 1 | 23 | 47 | 1972 | E.S.H.; G.E.F.; K.Na.; W.D.R.; A.W.Gr.; G.O. | 68 | ||
| Technology of Agriculture | 1 | 19 | 28 | 1971 | R.E.S. | 69 | ||
| Marcus Vipsanius Agrippa | 1 | 1 | 3 | 1970 | G.W.Bo. | 70 | ||
| Aḥmad ibn Ḥanbal | 1 | 1 | 5 | 1970 | G.M. | 71 | ||
| Sir Sayyid Ahmad Khan | 1 | 1 | 5 | 1970 | S.M.I. | 72 | ||
| Akbar | 1 | 2 | 2 | 1967 | K.A.B. | 73 | ||
| Akhenaton | 1 | 2 | 12 | 1969 | Jo.A.W. | 74 | ||
| Akiba ben Joseph | 1 | 1 | 1 | 1936 | N.N.G. | 75 | ||
| Alabama | 1 | 4 | 12 | 1969 | C.G.G. | 76 | ||
| Alagoas | 1 | 1 | 0 | N/A | M.G.F. | 77 | ||
| Alaska | 1 | 5 | 16 | 1970 | M.M.M. | 78 | ||
| Alaskan Mountains | 1 | 2 | 4 | 1965 | R.Sc. | 79 | ||
| Duke of Alba | 1 | 1 | 3 | 1962 | H.G.K. | 80 | ||
| Albania | 1 | 5 | 10 | 1971 | R.R.Sc.; O.Li. | 81 | ||
| Albanian Language | 1 | 1 | 2 | 1972 | E.P.H. | 82 | ||
| Alberta | 1 | 4 | 16 | 1971 | R.O.H.; D.A.E.S.; R.B.D. | 83 | ||
| Leon Battista Alberti | 1 | 2 | 10 | 1972 | J.Ga. | 84 | ||
| Saint Albertus Magnus | 1 | 1 | 7 | 1971 | None | 85 | ||
| Alfonso de Albuquerque | 1 | 1 | 4 | 1938 | H.V.L. | 86 | ||
| Alchemy | 1 | 5 | 16 | 1970 | R.P.M. | 87 | ||
| Alcibiades | 1 | 1 | 1 | 1940 | Ru.M. | 88 | ||
| Alcohol Consumption | 1 | 13 | 27 | 1972 | M.Ke. | 89 | ||
| Alcohols, Phenols, and Ethers | 1 | 8 | 11 | 1970 | J.A.Mo. | 90 | ||
| Aldehydes and Ketones | 1 | 5 | 10 | 1969 | C.D.G. | 91 | ||
| Jean Le Rond d'Alembert | 1 | 2 | 11 | 1970 | R.Gr. | 92 | ||
| Aleppo | 1 | 1 | 8 | 1967 | N.E. | 93 | ||
| Pope Alexander III | 1 | 1 | 5 | 1966 | J.M.Po. | 94 | ||
| Pope Alexander IV | 1 | 1 | 5 | 1960 | F.X.M. | 95 | ||
| Alexander III the Great | 1 | 4 | 8 | 1966 | F.W.W. | 96 | ||
| Alexander I of Russia | 1 | 3 | 6 | 1969 | D.Ol. | 97 | ||
| Alexander II of Russia | 1 | 2 | 5 | 1963 | W.E.Mo. | 98 | ||
| Alexander III of Russia | 1 | 1 | 5 | 1967 | M.T.F. | 99 | ||
| Alexander Nevsky | 1 | 1 | 2 | 1970 | R.He. | 100 | ||
| Alexandria | 1 | 4 | 6 | 1962 | Ma.R. | 101 | ||
| Alexius I Comnenus | 1 | 1 | 8 | 1969 | J.M.H. | 102 | ||
| Alfonso V the Magnamious, of Aragon | 1 | 1 | 5 | 1963 | E.Sa. | 103 | ||
| Alfonso VI of Castile and Leon | 1 | 1 | 1 | 1969 | E.Sa. | 104 | ||
| Alfred the Great, of Wessex | 1 | 1 | 11 | 1971 | D.W. | 105 | ||
| Algae | 1 | 12 | 14 | 1971 | V.J.C. | 106 | ||
| Elementary and Multivariate Algebra | 1 | 8 | 7 | 1967 | Ed. | 107 | ||
| Linear and Multilinear Algebra | 1 | 12 | 19 | 1971 | Ed. | 108 | ||
| Algebraic Structures | 1 | 40 | 63 | 1971 | G.Bi.; Ma.H.; P.S.; P.J.H.; P.M.C. | 109 | ||
| Algeria | 1 | 12 | 14 | 1967 | A.K.Ch. | 110 | ||
| Algiers | 1 | 2 | 4 | 1969 | A.K.Ch. | 111 | ||
| Algirdas | 1 | 1 | 0 | N/A | V.T.P. | 112 | ||
| 'Alī | 1 | 1 | 1 | N/A | I.K.P. | 113 | ||
| Alienation | 1 | 3 | 7 | 1966 | M.S. | 114 | ||
| Alismales | 1 | 3 | 4 | 1967 | M.Y.S. | 115 | ||
| Alkali Metals and Their Compounds | 1 | 9 | 4 | 1967 | F.T. | 116 | ||
| Akaline-Earth Metals and Their Compounds | 1 | 6 | 2 | 1968 | C.S.G.P. | 117 | ||
| Alkaloids | 1 | 13 | 6 | 1973 | R.H.M. | 118 | ||
| Allergy and Anaphylactic Shock | 1 | 4 | 6 | 1969 | L.E.C. | 119 | ||
| Alluvial Fans | 1 | 6 | 4 | 1967 | L.K.L. | 120 | ||
| Alp-Arslan | 1 | 1 | 3 | 1968 | C.C. | 121 | ||
| Alphabets | 1 | 10 | 30 | 1971 | D.D. | 122 | ||
| Alpine Folk Cultures | 1 | 4 | 20 | 1971 | A.Ni. | 123 | ||
| Alpine Lakes | 1 | 1 | 3 | 1967 | I.F. | 124 | ||
| Alps Mountain Ranges | 1 | 3 | 13 | 1971 | P.V. | 125 | ||
| Altaic Languages | 1 | 4 | 11 | 1968 | G.Ha. | 126 | ||
| Altai Mountains | 1 | 1 | 0 | N/A | N.I.M. | 127 | ||
| Aluminum Products and Production | 1 | 9 | 11 | 1969 | K.R.V.H. | 128 | ||
| Amazonas | 1 | 1 | 6 | 1969 | J.C.M.C. | 129 | ||
| Amazon Rain Forest | 1 | 2 | 7 | 1969 | A.R.S. | 130 | ||
| Amazon River | 1 | 4 | 6 | 1970 | R.E.Cr. | 131 | ||
| Viktor A. Ambartsumian | 1 | 1 | 1 | 1963 | A.G.Ma. | 132 | ||
| Saint Ambrose | 1 | 1 | 5 | 1961 | R.M.Sa. | 133 | ||
| Arts of American Indian Peoples | 1 | 36 | 129 | 1971 | F.J.D.; E.Gu.; G.P.K. | 134 | ||
| American Sub-Arctic Cultures | 1 | 3 | 7 | 1970 | J.J.Ho. | 135 | ||
| Ammunition | 1 | 5 | 7 | 1968 | W.C.Da. | 136 | ||
| Amphibia | 1 | 4 | 13 | 1971 | C.J.G. | 137 | ||
| Amphiboles | 1 | 4 | 6 | 1969 | G.V.G.; M.C.G. | 138 | ||
| Amsterdam | 1 | 4 | 13 | 1971 | Ev.W. | 139 | ||
| Amu Darya | 1 | 1 | 0 | N/A | A.A.K. | 140 | ||
| Amur River | 1 | 2 | 0 | N/A | A.P.M. | 141 | ||
| Analgesic | 1 | 2 | 6 | 1971 | L.S.H. | 142 | ||
| Complex Analysis | 1 | 16 | 28 | 1971 | K.Iw.; R.Na.; Ed. | 143 | ||
| Fourier Analysis | 1 | 22 | 46 | 1971 | A.Zy.; C.L.F.; Ed. | 144 | ||
| Functional Analysis | 1 | 14 | 34 | 1971 | J.T.Sc.; C.B.My.; F.Tr. | 145 | ||
| Real Analysis | 1 | 19 | 16 | 1970 | Hy.K.; Ed. | 146 | ||
| Vector and Tensor Analysis | 1 | 8 | 20 | 1971 | D.T.F.; Ed. | 147 | ||
| Analytic and Linguistic Philosophy | 1 | 8 | 18 | 1967 | K.S.D. | 149 | ||
| Anarchism | 1 | 6 | 30 | 1971 | G.W. | 150 | ||
| Ancient Anatolia | 1 | 12 | 34 | 1970 | S.H.F.L.; Ph.H.J.t.C. | 151 | ||
| Anatolian Cultures | 1 | 4 | 10 | 1970 | None | 152 | ||
| Anatolian Languages | 1 | 5 | 11 | 1969 | Ph.H.J.H.t.C. | 153 | ||
| Ancestor Worship | 1 | 3 | 6 | 1962 | E.N. | 154 | ||
| Ancient Epigraphic Remains | 1 | 1 | 17 | 1971 | He.Mi. | 155 | ||
| Andaman Sea | 1 | 1 | 2 | 1969 | K.S.R. | 156 | ||
| History of Andean Civilization | 1 | 15 | 18 | 1970 | G.H.S.B.; T.C.P. | 157 | ||
| Andean Cultures | 1 | 2 | 8 | 1971 | J.V.M.; Ed. | 158 | ||
| Andes Mountain Ranges | 1 | 5 | 13 | 1969 | M.T.V. | 159 | ||
| Andhra Pradesh | 1 | 3 | 5 | 1967 | R.V.R.C.R. | 160 | ||
| Andorra | 1 | 1 | 10 | 1970 | N.Ma. | 161 | ||
| Andrea del Sarto | 1 | 1 | 2 | 1965 | J.K.Sh. | 162 | ||
| Anesthetic | 1 | 3 | 5 | 1967 | L.D.V. | 163 | ||
| Fra Angelico | 1 | 2 | 5 | 1970 | M.Sal. | 164 | ||
| Angels and Demons | 1 | 5 | 8 | 1971 | L.F. | 165 | ||
| Angiosperm | 1 | 10 | 13 | 1970 | A.T. | 166 | ||
| Angkor | 1 | 1 | 5 | 1968 | F.E.R. | 167 | ||
| Anglican Communion | 1 | 4 | 4 | 1968 | R.S.De. | 168 | ||
| Angola | 1 | 8 | 8 | 1970 | J.Sh. | 169 | ||
| Anguilliformes | 1 | 3 | 6 | 1969 | P.H.J.C. | 170 | ||
| Anhwei | 1 | 3 | 7 | 1970 | T.R.T. | 171 | ||
| Animal Breeding | 1 | 5 | 12 | 1969 | I.J. | 172 | ||
| Animal Feed | 1 | 4 | 12 | 1969 | J.K.L. | 173 | ||
| Animals and Plants in Myth and Legend | 1 | 7 | 7 | 1967 | J.Z.S. | 174 | ||
| Animation | 1 | 3 | 6 | 1970 | R.M. | 175 | ||
| Animism | 1 | 3 | 10 | 1970 | G.K.P. | 176 | ||
| Ankara | 1 | 2 | 9 | 1971 | N.It. | 177 | ||
| An Lu-shan | 1 | 1 | 3 | 1962 | E.G.P. | 178 | ||
| Annelida | 1 | 9 | 8 | 1969 | D.J.R. | 179 | ||
| Saint Anselm of Canterbury | 1 | 2 | 15 | 1963 | J.A.Ke. | 180 | ||
| Anseriformes | 1 | 9 | 15 | 1970 | G.V.T.M. | 181 | ||
| Antarctica | 1 | 18 | 37 | 1972 | A.B.Fo. | 182 | ||
| Antennas and Wave Guides | 1 | 3 | 11 | 1968 | W.L.W. | 183 | ||
| Anthropology | 1 | 7 | 40 | 1968 | Ed. | 184 | ||
| Philosophical Anthropology | 1 | 10 | 18 | 1972 | G.P.G. | 185 | ||
| Antibiotic | 1 | 5 | 8 | 1970 | L.W. | 186 | ||
| Antigonus I Monophthalmus | 1 | 1 | 4 | 1969 | H.V. | 187 | ||
| Antigonus II Gonatas | 1 | 1 | 4 | 1967 | H.V. | 188 | ||
| Antioch | 1 | 1 | 10 | 1963 | G.D. | 189 | ||
| Antiochus III the Great | 1 | 1 | 7 | 1967 | H.V. | 190 | ||
| Antiochus IV Epiphanes | 1 | 1 | 3 | 1966 | H.V. | 191 | ||
| Antiseptic and Germicide | 1 | 3 | 1 | 1968 | C.A.L. | 192 | ||
| Michelangelo Antonioni | 1 | 1 | 3 | 1969 | J.R.T. | 193 | ||
| Marcus Antonius | 1 | 2 | 17 | 1970 | M.Gr. | 194 | ||
| Antwerp | 1 | 2 | 9 | 1970 | J.V.R. | 195 | ||
| Anura | 1 | 6 | 10 | 1970 | W.E.D. | 196 | ||
| An-yang | 1 | 1 | 4 | 1963 | L.Ci. | 197 | ||
| Apennine Range | 1 | 1 | 0 | N/A | B.A. | 198 | ||
| Apodiformes | 1 | 4 | 4 | 1960 | K.C.P. | 199 | ||
| Appalachian Mountains | 1 | 2 | 12 | 1969 | W.D. | 200 | ||
| Apprenticeship and Employee Training | 1 | 6 | 13 | 1969 | F.J.T. | 201 | ||
| Apterygote | 1 | 3 | 8 | 1969 | K.A.J.W. | 202 | ||
| Aquarium | 1 | 2 | 11 | 1970 | D.W.W. | 203 | ||
| Aquatic Ecosystem | 1 | 9 | 16 | 1971 | D.A.L. | 204 | ||
| Aqueduct | 1 | 7 | 9 | 1968 | C.J.M. | 205 | ||
| History of Arabia | 1 | 9 | 44 | 1970 | R.B.Se.; M.A.G. | 206 | ||
| Arabian Desert | 1 | 5 | 16 | 1960 | D.A.H. | 207 | ||
| Arabian Religions | 1 | 3 | 9 | 1970 | W.G.O. | 208 | ||
| Arabian Sea | 1 | 1 | 9 | 1968 | An.A.A. | 209 | ||
| Arachnida | 1 | 5 | 7 | 1969 | C.J.Go.; M.L.Go. | 210 | ||
| Aral Sea | 1 | 1 | 0 | N/A | V.Y.L. | 211 | ||
| Araneida | 1 | 8 | 15 | 1972 | H.W.L.; L.R.L. | 212 | ||
| Arbitration | 1 | 3 | 26 | 1971 | M.Do. | 213 | ||
| Archaeology | 1 | 4 | 12 | 1972 | G.E.D. | 214 | ||
| Archery | 1 | 5 | 15 | 1966 | N.A.W. | 215 | ||
| Archimedes | 1 | 1 | 5 | 1970 | B.L.v.d.W.; T.L.H. | 216 | ||
| Art of Architecture | 1 | 27 | 13 | 1969 | J.S.Ac.; Pe.C.; Al.Go. | 217 | ||
| Arctic Islands | 1 | 3 | 11 | 1972 | R.L.Ch.; D.B.O.S. | 218 | ||
| Arctic Ocean | 1 | 4 | 16 | 1971 | N.A.O. | 219 | ||
| Arctic Peoples and Cultures | 1 | 8 | 24 | 1971 | W.K.C. | 220 | ||
| Arecales | 1 | 4 | 8 | 1966 | H.E.Mo. | 221 | ||
| Argentina | 1 | 9 | 10 | 1969 | A.Si. | 222 | ||
| History of Argentina | 1 | 7 | 10 | 1967 | T.H.-D. | 223 | ||
| Ludovico Ariosto | 1 | 1 | 6 | 1959 | G.A. | 224 | ||
| Aristolochiales | 1 | 2 | 3 | 1959 | J.Cul. | 225 | ||
| Aristophanes | 1 | 2 | 3 | 1962 | M.Pl. | 226 | ||
| Aristotelianism | 1 | 6 | 53 | 1972 | L.M.-P. | 227 | ||
| Aristotle | 1 | 15 | 41 | 1968 | A.H.Ao. | 228 | ||
| Arithmetic | 1 | 7 | 17 | 1970 | C.C.MacD.; D.E.S.; W.J.LeV. | 229 |
[edit] Volume 2
| Article Title | Volume | Number of Pages | Number of References | Year of Latest Reference | Year Introduced | Contributors | Propædia Section | Article Number |
|---|---|---|---|---|---|---|---|---|
| Arizona | 2 | 4 | 13 | 1971 | M.E.H. | 230 | ||
| Arkansas | 2 | 3 | 9 | 1969 | B.A.D. | 231 | ||
| Armed Forces | 2 | 15 | 36 | 1971 | J.v.D. | 232 | ||
| Armenian Language | 2 | 1 | 10 | 1959 | H.K.V. | 233 | ||
| Armenian Soviet Socialist Republic | 2 | 3 | 0 | N/A | A.A.M. | 234 | ||
| Armour | 2 | 3 | 11 | 1967 | A.V.B.N. | 235 | ||
| Arms Design and Decoration | 2 | 5 | 34 | 1970 | H.Ni. | 236 | ||
| Edwin H. Armstrong | 2 | 1 | 2 | 1969 | L.P.L. | 237 | ||
| Matthew Arnold | 2 | 3 | 11 | 1967 | B.W. | 238 | ||
| Svante August Arrhenius | 2 | 1 | 4 | 1970 | D.M.K. | 239 | ||
| Philosophy of Art | 2 | 17 | 38 | 1971 | Jo.Ho. | 240 | ||
| Art Conservation and Restoration | 2 | 8 | 15 | 1972 | D.W.I; N.S.B.; K.F.B.H. | 241 | ||
| Jacob van Artevelde | 2 | 1 | 3 | 1942 | H.V.We. | 242 | ||
| Arthropoda | 2 | 5 | 7 | 1968 | J.L.C.-T. | 243 | ||
| Artiodactyla | 2 | 10 | 15 | 1970 | A.W.G. | 244 | ||
| Classification of the Arts | 2 | 4 | 9 | 1967 | Th.M. | 245 | ||
| Criticism of the Arts | 2 | 4 | 8 | 1968 | J.Ms. | 246 | ||
| Fraudulence in the Arts | 2 | 3 | 21 | 1970 | J.V.N.; Ge.B. | 247 | ||
| Practice and Profession of the arts | 2 | 10 | 7 | 1970 | Si.T. | 248 | ||
| Social and Economic Aspects of the Arts | 2 | 20 | 62 | 1972 | V.Ka. | 249 | ||
| Style in the Arts | 2 | 12 | 24 | 1966 | R.McMu. | 250 | ||
| Asceticism | 2 | 3 | 10 | 1960 | A.V. | 251 | ||
| Aschelminthes | 2 | 5 | 6 | 1965 | W.G.I. | 252 | ||
| al-Ash'arī | 2 | 1 | 4 | 1966 | M.A.Al. | 253 | ||
| Ashurbanipal | 2 | 1 | 5 | 1971 | D.J.W. | 254 | ||
| Asia | 2 | 44 | 161 | 1972 | C.V.N.; P.N.K.; Y.K.Y.; P.Gu.; L.F.deB.; Jo.E.S. | 255 | ||
| Religions of Asia Minor | 2 | 4 | 14 | 1969 | O.R.G. | 256 | ||
| Asian Peoples and Cultures | 2 | 7 | 13 | 1969 | L.Du. | 257 | ||
| Prehistoric Asians | 2 | 5 | 14 | 1972 | K.A.R.K. | 258 | ||
| Aśoka | 2 | 1 | 3 | 1962 | A.Se. | 259 | ||
| H.H. Asquith | 2 | 1 | 8 | 1971 | B. | 260 | ||
| Assam | 2 | 3 | 11 | 1970 | H.D. | 261 | ||
| Association Football (Soccer) | 2 | 3 | 7 | 1968 | B.Jo. | 262 | ||
| Asterales | 2 | 7 | 6 | 1966 | A.Cr. | 263 | ||
| Astrology | 2 | 4 | 13 | 1971 | D.E.P. | 264 | ||
| Astronomical Maps | 2 | 9 | 7 | 1969 | O.G. | 265 | ||
| Principles of Astronomical Spectroscopy | 2 | 13 | 6 | 1970 | D.M.H. | 266 | ||
| Astronomy and Astrophysics | 2 | 9 | 34 | 1971 | B.E.J.P. | 267 | ||
| Atacama Desert | 2 | 1 | 0 | N/A | J.-L.-F.T. | 268 | ||
| Kemal Atatürk | 2 | 3 | 4 | 1964 | M.Ak. | 269 | ||
| Saint Athanasius | 2 | 1 | 6 | 1971 | E.R.Ha. | 270 | ||
| Atheism | 2 | 4 | 26 | 1968 | C.F. | 271 | ||
| Athens | 2 | 7 | 15 | 1972 | B.Jo. | 272 | ||
| Atheriniformes | 2 | 4 | 8 | 1967 | C.P. | 273 | ||
| Athletic Games and Contests | 2 | 20 | 9 | 1969 | H.M.A. | 274 | ||
| Atlantic Ocean | 2 | 10 | 12 | 1971 | I.M.P. | 275 | ||
| Atlas Mountains | 2 | 3 | 9 | 1967 | H.Is. | 276 | ||
| Atmosphere | 2 | 7 | 11 | 1969 | M.N. | 277 | ||
| Development of Atmosphere | 2 | 6 | 11 | 1969 | P.C. | 278 | ||
| Atmospheric Sciences | 2 | 11 | 17 | 1973 | R.G.F. | 279 | ||
| Atomic Structure | 2 | 13 | 6 | 1967 | G.L.T.; S.A.G. | 280 | ||
| Atomic Weight | 2 | 3 | 3 | 1970 | H.S.P.; E.Wi. | 281 | ||
| Atomism | 2 | 6 | 9 | 1969 | A.G.M.v.M. | 282 | ||
| Atrophy | 2 | 2 | 6 | 1967 | W.A.D.A. | 283 | ||
| Attention | 2 | 5 | 15 | 1970 | W.G.W.; W.C.McM. | 284 | ||
| Attila | 2 | 1 | 3 | 1960 | E.A.T. | 285 | ||
| Attitudes | 2 | 3 | 9 | 1969 | W.J.McG. | 286 | ||
| W.H. Auden | 2 | 2 | 10 | 1970 | M.K.Sp. | 287 | ||
| Saint Augustine of Hippo | 2 | 4 | 33 | 1970 | Jo.Bu. | 288 | ||
| Augustus | 2 | 4 | 16 | 1971 | M.Gr. | 289 | ||
| Aurangzeb | 2 | 1 | 4 | 1952 | T.G.P.S. | 290 |
