Program: HathiTrust Digital Library

  • Publisher: National Science Foundation; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
  • Print ISSN: 0066-0043
  • Electronic ISSN:
  • OCLC Number: 971468
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1954-1955; 1956-1958; 1959 1959; 1960; 1962; 1964; 1966; 1968; 1970
committed to retain 2020-01-25 HTDL