|
Harvard-Smithsonian Center for Astrophysics Harvard Observatory Plate Stacks BM Series Observing Logs |
|
| Volume 1 | 0001 - 2013 | January 30, 1934 - January 25, 1940 |
| Volume 2 | 2014 - 3223 | January 26, 1940 - February 5, 1941 |
|
|
Harvard-Smithsonian Center for Astrophysics Harvard Observatory Plate Stacks BM Series Observing Logs |
|
| Volume 1 | 0001 - 2013 | January 30, 1934 - January 25, 1940 |
| Volume 2 | 2014 - 3223 | January 26, 1940 - February 5, 1941 |