Vollbehr collection of incunabula. :
Hearing ... on H.R. 6147 ... March 10, 1930.
APA Citation
United States. Congress. House. Committee on the Library. (1930). Vollbehr collection of incunabula.: Hearing ... on H.R. 6147 ... March 10, 1930. .
MLA Citation
United States. Congress. House. Committee on the Library. Vollbehr Collection of Incunabula.: Hearing ... On H.R. 6147 ... March 10, 1930. , 1930.
Warning: These citations may not always be complete (especially for serials).