-
By: Stone, Witmer. - Delaware Valley Ornithological ClubEdition:Publication info: Philadelphia, Delaware Valley Ornithological Club, 1894Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects:BHL Collections:
-
By: Delaware Valley Ornithological ClubEdition:Publication info: Philadelphia, Delaware Valley Ornithological Club, 1901-Volume: no.5-8, 1901-1904Series:Holding Institution: Multiple institutionsSubjects:BHL Collections: