Program: HathiTrust Digital Library

  • Publisher: PTN [etc.]
  • Print ISSN: 0091-1372
  • Electronic ISSN:
  • OCLC Number: 1765665
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
v.24 1948; v.25 1949; v.26 1950; v.27 1951; v.28 1952; v.29 1953; v.30 1954; v.31 1955; v.32 1956 Jan-Jun; v.32 1956 Jul-Dec; v.32 1956; v.33 1957 Jan-Jun; v.33 1957 Jul-Dec; v.34 1958 Jan-Jun; v.34 1958 Jul-Dec; v.35 1959 Jan-Jun; v.35 1959 Jul-Dec; v.36 1960 Jan-Jun; v.36 1960 Jul-Dec; v.37 1961 Jan-Jun; v.37 1961 Jul-Dec; v.38 1962 Jan-Jun; v.38 1962 Jul-Dec; v.39 1963 Jan-Jun; v.39 1963 Jul-Dec; v.40 1964 Jan-Jun; v.40 1964 Jul-Dec; v.41 1965 Jan-Jun; v.42 1966 Jan-Jun; v.42 1966 Jul-Dec; v.43 1967 Jan-Jun; v.43 1967 Jul-Dec; v.44 1968 Jan-Jun; v.44 1968 Jul-Dec; v.45 1969 Jul-Dec; v.45 1969 Jan-Jun; v.46 1970 Jul-Dec; v.47 1971 Jan-Jun; v.47 1971 Jul-Dec; v.48 no.2 1972 Feb; v.48 no.3 1972 Mar; v.48 1973 Sep-Dec; v.49 1973 Jul-Dec; v.49 1973 Jan-Jun; v.50 1974 Jan-Jun; v.50 1974 Jul-Dec; v.51 1975 Jul-Dec; v.51 1975 Jan-Jun; v.52 1976 Jan-Jun; v.52 1976 Jul-Dec; v.53 1977 Jan-May; v.53 1977 Jul-Dec; v.53 1977 Jun; v.54 no.1 1978 Jan; v.54 no.2 1978 Feb; v.54 no.3 1978 Mar; index 1954-1956; index 1965-1967
committed to retain 2015-01-17 HTDL