Our Collection

At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

Diamond, Sidney (1922-1945) to Estelle Spero

High-resolution images are available to schools and libraries via subscription to American History, 1493-1943. Check to see if your school or library already has a subscription. Or click here for more information. You may also order a pdf of the image from us here.

Gilder Lehrman Collection #: GLC09120.013 Author/Creator: Diamond, Sidney (1922-1945) Place Written: Edgewood, Arsenal, Maryland Type: Autograph letter signed Date: Circa. April 1942 Pagination: 5 p. ; 18.5 x 27 cm. Order a Copy

Outlines what his day has consisted of - primarily an array of lectures on decontamination techniques and different incendiaries.

Citation Guidelines for Online Resources