1. Arthur and Elsa Allen with Onithology Books Collection: Images from the Rare Book and Manuscript Collections Format: Image
2. Arthur A. Allen Collection: Campus Artifacts, Art & Memorabilia Location: Laboratory of Ornithology, Cornell University Format: Image Donor: Cornell University. Class of 1908
3. Hand-drawn Map of Singer Tract and Ayer Tract With Ivory-billed Woodpecker Activity Locations Collection: Images from the Rare Book and Manuscript Collections Location: Louisiana, USA Date: 1935 Format: Image
