William Henry Leffingwell
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William Henry Leffingwell was the founder of National Office Management Association.
[edit] Books
- William Henry Leffingwell, Office Management - Principles and Practice (London: A. W. Shaw Company, 1925),
- William Henry Leffingwell, A Textbook of Office Management (New York: McGraw-Hill Book Company Inc, 1932),
- William Henry Leffingwell and Edwin Marshall Robinson, Textbook of Office Management (New York: McGraw-Hill, 1943),
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