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.

Unknown [Brainteasers and logic problems]

Order a pdf of this item here.

Gilder Lehrman Collection #: GLC09414.1643 Author/Creator: Unknown Place Written: s.l. Type: Autograph letter signed Date: 1929-1945 Pagination: 1 p. ; 21 x 28 cm. Order a Copy

A series of handwritten brainteasers and logic problems, it is not clear who these problems were meant for.

Citation Guidelines for Online Resources