| Title | Revised MK Spectral Atlas for Stars Earlier than the Sun |
| Author | W. W. Morgan, H. A. Abt, J. W. Tapscott |
| Publisher | Yerkes Observatory, Kitt Peak National Observatory |
| Year | 1978 |
| Reference | 658 |
| ISBN | n/a |
| LOCATION | | Signature | 522.67 MOR |
| Shelfmark | Spectroscopy (522.67) |
| Library | INT Library |
Status: Available |