Program: HathiTrust Digital Library

  • Publisher: International Business Machines Corp
  • Print ISSN: 0040-6112
  • Electronic ISSN:
  • OCLC Number: 1644675
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
v.4-5 1938-1939; v.5 1939 June-Dec; v.6-7 1940-1941; v.6 no.7-v.7 July 1940-1941; v.8-9 1942-1943; v.10-11 1944-1945; v.12-13 1946-1947; v.14-15 1948-1949; v.16-17 1950-1951; v.17 no.11 Nov 1951; v.17 no.12 Dec 1951; v.18-19 1952-1953; v.20 1954; v.20-21 1954-1955; v.21 1955; v.22 1956; v.22-23 1956-1957; v.23 1957; v.23-24 1957-58; v.24 1958; v.24-25 1958-1959; v.29 1959; v.26 1960; v.26-27 1960-1961; v.27 1961; v.28 1962; v.28-29 1962-1963; v.29 1963; v.30 no.1 Jan-Feb 1964; v.30 no.2 Mar-Apr 1964; v.30-32 1964-1966; v.31-32 no.4 1965-Aug 1966; v.33 no.1 Jan-Feb 1967; v.33 no.3 May-June 1967; v.33-35 1967-1969; v.36 1970; v.36 no.5 Sept-Oct 1970; v.36 no.6 Nov-Dec 1970; v.3-13^Index 1937-1947; index v.23-24
committed to retain 2022-08-09 HTDL