An Encyclopedia of World History

by William L. Langer

"Ancient, Medieval, and Modern, Chronologically Arranged."

1243 pages, Hardcover

Published January 1, 1952

About the author

William Leonard Langer was an historian specializing in the diplomacy of the late 19th and early 20th centuries. A graduate of Harvard University, he taught at Clark University before accepting an appointment at Harvard University, where he eventually served as the chairman of the history department. He was on leave during World War II as head of the Research and Analysis Branch of the Office of Strategic Services, and served as president of the American Historical Association in 1957.