Astronomical contributions.
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- OCLC Number: 706047993
- Subject: Astronomy.
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Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | v.2 1951-1955; v.3 1954-1957; v.4 1957-1960; v.5 1959-1961; v.6 1961-1964; v.7 1963-1967; v.8 1966-1969 | permanent |