1. The Sound Mirror Catching the Calls of The Ivory Billed Woodpecker Collection: Images from the Rare Book and Manuscript Collections Location: Singer Tract, Louisiana Date: 1935-04 Format: Image
2. Arthur Allen seated, writing in journal, telescope behind him Collection: Images from the Rare Book and Manuscript Collections Location: Singer Tract, Louisiana Date: 1935-04 Format: Image
3. Ivory Billed Woodpecker expedition encamped in swamp Collection: Images from the Rare Book and Manuscript Collections Location: Singer Tract, Louisiana Date: 1935-04 Format: Image
4. Two Ivory Billed Woodpeckers on a tree Collection: Images from the Rare Book and Manuscript Collections Location: Singer Tract, Louisiana Date: 1935-04 Format: Image
5. Ivory Billed Woodpecker on a tree Collection: Images from the Rare Book and Manuscript Collections Location: Singer Tract, Louisiana Date: 1935-04 Format: Image
6. Early days of sound recording Collection: Images from the Rare Book and Manuscript Collections Location: Singer Tract, Louisiana Date: 1935-04 Format: Image