Program: HathiTrust Digital Library

  • Publisher: The Observatory
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 11695855
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1847-53 1847-1853; 1856 Appendix; 1854-59 1854-1859; 1875; 1877; 1879; 1882-1883; 1887 Appendix 3; 1888-1897; 1900-1901; 1939-1955
committed to retain 2023-01-01 HTDL