William Hamilton publishes Observations on Mount Vesuvius, Mount Etna, and Other Volcano's: in a series of letters addressed to the Royal Society from the Honorable Sir William Hamilton (London).
^Lambert, Johann Heinrich (1772). "Ammerkungen und Zusatze zurder Land und Himmelscharten Entwerfung". Beitrage zum Gebrauche der Mathematik in deren Anwendung3 (6). Reprint: "Anmerkungen und Zusätze zur Entwerfung der Land- und Himmelscharten" (xml). W. Engelmann. 1894. http://name.umdl.umich.edu/ABR2581.0001.001. Retrieved 2007-04-10. Translation: Notes and Comments on the Composition of Terrestrial and Celestial Maps. University of Michigan Press. 1972.
^Snyder, John P. (1993). Flattening the Earth: Two Thousand Years of Map Projections. University of Chicago Press. ISBN 0-226-76747-7.