Program: HathiTrust Digital Library

  • Publisher: [National Academy of Sciences]
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 1752474
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
no.1-48 1957-1961; v.1-18; v.19-54; v.55-78; v.79-96
committed to retain 2010-08-12 HTDL