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- Corporate/Agency Authors:
- Astrophysical Observatory and Smithsonian Institution
- Publisher:
- Astrophysical Observatory
- Date:
- 1930
- SuDoc number:
- SI 1.1/a:As 898/1/929
- Corporate/Agency Authors:
- Astrophysical Observatory and Smithsonian Institution
- Publisher:
- Astrophysical Observatory
- Date:
- 1930
- SuDoc number:
- SI 1.1/a:As 898/1/930
- Corporate/Agency Authors:
- International Exchange Service and Smithsonian Institution
- Publisher:
- International Exchange Service
- Date:
- 1930
- SuDoc number:
- SI 1.1/a:Ex 2/21
- Corporate/Agency Authors:
- International Exchange Service and Smithsonian Institution
- Publisher:
- International Exchange Service
- Date:
- 1930
- SuDoc number:
- SI 1.1/a:Ex 2/22
- Corporate/Agency Authors:
- Smithsonian Institution
- Publisher:
- Smithsonian Institution
- Date:
- 1930
- SuDoc number:
- SI 1.1/a:R 26/50
- Corporate/Agency Authors:
- Smithsonian Institution
- Publisher:
- Smithsonian Institution
- Date:
- 1930
- SuDoc number:
- SI 1.1/a:930
- Corporate/Agency Authors:
- Smithsonian Institution
- Publisher:
- Smithsonian Institution
- Date:
- 1930
- SuDoc number:
- SI 1.1/a:Se 89
- Corporate/Agency Authors:
- Smithsonian Institution
- Publisher:
- Smithsonian Institution
- Date:
- 1930
- SuDoc number:
- SI 1.1/a:St 28/8
- Corporate/Agency Authors:
- Smithsonian Institution
- Publisher:
- Smithsonian Institution
- Date:
- 1930
- SuDoc number:
- SI 1.1/a:M 465/3
- Corporate/Agency Authors:
- Smithsonian Institution
- Publisher:
- Smithsonian Institution
- Date:
- 1930
- SuDoc number:
- SI 1.1/a:P 569/15