| Title | Directory of Astronomical Observatories in the United States |
| Author | Mabel Sterns |
| Publisher | Royal Greenwich Observatory |
| Year | 1947 |
| Reference | 5995 |
| ISBN | n/a |
| Type of material | Text Book |
| Received | 20/01/2009 |
| LOCATION | | Signature | 522.1 STE |
| Shelfmark | Observatories and Institutions (522.1) |
| Library | Corridor, 5th floor, SLO |
Status: Available |