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| 008 | 070101s eng d | ||
| 041 | 0 | _aeng. | |
| 082 | 0 | 4 | _aB611C12f921 |
| 100 | 1 | _aAnnie J. Cannon | |
| 245 | 1 | 0 |
_aThe Henry Draper Extension _cAnnie J. Cannon |
| 260 |
_aHarvard _bHarvard College Observatory _c1925-1928 |
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| 300 |
_a218 p., tab. _bphotocopy |
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_aAnnals of Harvard College Observatory _vVolume 100 No 1-6 (1925_1928 218 p., photocopy) |
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| 650 | 1 | 4 |
_aAstrophysics _xspectra |
| 653 | 0 | _aCatalogue | |
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_aCannon,Annie J. _eaut. |
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