The D.V.O.C. twenty year souvenir
Publisher: D.V.O.C.
Published: 1910
Place of publication: Philadelphia
Language: eng
Number of pages: 32
Subjects: Ornithological societies; Birds; Societies; Ornithology; Delaware Valley Ornithological Club
Other titles: DVOC twenty year souvenir.
Notes: "Including a personal history of the Club, a chronological list of members and their achievements."

"Issued at the twentieth anniversary meeting of the D.V.O.C., Philadelphia, January 6, 1910."

"On February 3rd, 1890 ... there was organized the Delaware Valley Ornithological Club."--p. [4]