| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 51 |
 | Prothonotary Warbler 2 | 2005-04-11 | Sound | uu_wss |
| 52 |
| Prothonotary Warbler 3 | 2005-04-11 | Sound | uu_wss |
| 53 |
 | Red-headed Woodpecker 1 | 2007-04-25 | Sound | uu_wss |
| 54 |
 | Tired Tabby | 1950; 1951; 1952 | Image | uum_map |
| 55 |
 | Upland Sandpiper 1 | 2009-03-22 | Sound | uu_wss |
| 56 |
 | vol02no01_p03 | 1884-07-15 | wc_tw | |
| 57 |
 | William Spry | 1909-12 | Image | dha_cp |