This collection was assembled by purchases from booksellers and vendors. The collection is ongoing and new additions are expected.

This is a collection of Japanese wartime postcards. Most of the postcards depict cartoon narratives with accompanying dialogue. Most sets are military-themed cards, with one set depicting family life in this era. The major topics covered in these postcards include wartime issues, the lives of soldiers, and family postcards in a wartime period. For postcards with actual titles, this information was provided by the seller of the postcards.