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| Original Artwork |
 |
 |
 |
 |
| Sheet | Sheet |
 |
 |
 |
 |
 |
 |
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| 1953 | 1953 | 1953 | |
 |
 |
 |
 |
| Sheet | Sheet | Sheet | |
| Imperf | Imperf | Imperf | |
| Barn Owl | Horned Owl | Screech Owls |
| 1957 | 1974 |
 |
|
| Sheet | |
| Eagle Owl | Eagle Owl |
 |
 |
| 1978 | 1978 | 1978 | 1978 | 1999 | 2001 | 2004 |
 |
 |
 |
 |
 |
 |
 |
| SG 1731 | SG 1732 | SG 1733 | SG 1734 | SG 3574 | SG 3975 | Sheet |
| Scott 1760 | Scott 1761 | Scott 1762 | Scott 1763 | Scott 3293 | Scott 3606b | Info |
| Great Grey Owl | Saw Whet Owl | Barred Owl | Great Horned Owl | Snowy Owl | Burrowing Owl | Stylized Owl |
