The anthology Van Heijenoort (1967), the "Source Book", is perhaps the most important book on the history of logic and foundational mathematics ever published, in part because much of its content was difficult to access in all but the best university libraries.
The anthology Van Heijenoort (1967) is perhaps the most important book on the history of logic and foundational mathematics ever written. Moreover, the originals were often difficult to access in all but the best university libraries.