| Name | U.S. Naval Observatory Library |
| Address | U.S. Naval Observatory, Washington, District of Columbia, United States |
| Date | 0000-00-00 |
| Time | 00:00:00 |
| Category | unknown |
| Description | A horde of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.... |
| Coordinates | 38.92150, -77.06700 |
| Web address | /places/us-naval-observatory-library |