Caption title.
Some numbers are issued without title, some without date.
Description based on: No. 58-63 (May 12, 1958)
Issued July, 1940-Jan. 21, 1941 by the Library's Publications Office (varies slightly); Feb., 1941-Mar., 1944 by its Office of the Secretary; Apr., 1944-Jan. 4, 1945 by its Information Office (under a variant name: Office of Information); Jan. 10, 1945- by its Information and Publications Office (varies).