Providence, Rhode Island, 12 May 1939 - Institutional correspondence Alexander Dorner's letter to Sidney Janis
1939 - Institutional correspondence Acceptance letters from Alfred H. Barr Jr., Aleksina Matisse, Georgia O'Keefe and Sidney Janis to Caspar Whitney
The New Yorker, 31 January 2022 - Drawing Modern Life. The New Yorker cover that pays hommage to MoMA