Program: HathiTrust Digital Library

  • Publisher: Heldref Publications
  • Print ISSN: 0018-5868
  • Electronic ISSN: 1939-9278
  • OCLC Number: 1643911
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
v.35 Jan.-June 1957; v.35 July-Dec. 1957; v.36 Jan.-June 1958; v.36 July-Dec. 1958; v.37 July-Dec. 1959; v.39 Jan.-June 1961; v.40 July-Dec. 1962; v.40 Jan.-June 1962; v.43 no.7-12 yr.1965; v.44 no.1-03 yr.1966; v.44 no.4-06 yr.1966; v.44 no.7-09 yr.1966; v.44 no.10-12 yr.1966; v.47 no.1-06 yr.1969; v.47 no.7-12 yr.1969; v.48 no.7-12 yr.1970; v.49 no.1-06 yr.1971; v.49 no.7-12 yr.1971; v.51 no.7-12 yr.1973; v.52 no.1-06 yr.1974; v.52 no.7-09 yr.1974; v.54 yr.1976; v.56 no.1-03 yr.1978; v.56 no.4-06 yr.1978; v.57 no.1-03 yr.1979; v.57 no.4-06 yr.1979; v.59 yr.1981; v.60 yr.1982; v.61 yr.1983; v.62 yr.1984; v.63 yr.1985; v.64 yr.1986; v.65 yr.1987; v.66 yr.1988; v.67 yr.1989
committed to retain 2022-08-06 HTDL