MSA 292, Collection on the 100th Anniversary of the First Official Airmail, first day cover, related stamps and souvenir booklet, Purdue University Archives and Special Collections, Purdue University Libraries.
Cite Item Description
MSA 292, Collection on the 100th Anniversary of the First Official Airmail, first day cover, related stamps and souvenir booklet, Purdue University Archives and Special Collections, Purdue University Libraries. https://archives.lib.purdue.edu/repositories/2/resources/1361 Accessed April 29, 2025.
