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At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 70,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World to soldiers’ letters from World War II and Vietnam. Explore primary sources, visit exhibitions in person or online, or bring your class on a field trip.

Diamond, Sidney (1922-1945) to Estelle Spero

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Gilder Lehrman Collection #: GLC09120.070 Author/Creator: Diamond, Sidney (1922-1945) Place Written: Edgewood Arsenal, Maryland Type: Autograph letter signed Date: 14 July 1942 Pagination: 6 p. ; 15.5 x 23 cm.

Summary of Content: Diamond outlines the day's course of events, which included watching two films - one on "Booby traps" and one on signal communication, instructing a group on map-reading and map-making,


Historical Era: Great Depression and World War II, 1929-1945

Subjects: World War IISoldier's LetterMilitary HistoryWeaponrySurveyingCodes and Signals

Sub Era: World War II

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