The Michigan Avenue YMCA in its 9th Annual Musical Extravaganza As One of the Benefiting Groups…Presents The Buffalo Philharmonic Orchestra, Willis Page, Conductor in an ‘All Gershwin’ Program,” Kleinhans Music Hall, July 10, 1956; Program with green cover, black ink on paper, 12 pages + program insert, 8 ¾ x 6 inches; Courtesy of the University Archives, State University of New York at Buffalo