Program: HathiTrust Digital Library

  • Publisher: Professional and Industrial Pub. Co.
  • Print ISSN: 0366-9238
  • Electronic ISSN:
  • OCLC Number: 1566764
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
v.1-2 1920-1921; v.3 1922; v.4 1923; v.5 1924; v.6 1925; v.7 1926; v.8 1927; v.9 1928; v.10 1929; v.11 1930; v.12 1931; v.13 1932; v.14 1933; v.15 1934; v.16 1935; v.17 1936; v.18 1937; v.19 1938 Jan-Mar; new ser.v.1 1938; n.s. v.1 1938 Apr-Dec; n.s. v.2-3 1939-1940; new ser.v.4 1943; n.s. v.4-5 1943-1944; ser.2 v.6 1945; n.s. v.6-7 1945-1946; n.s. v.8-9 1947-1948; ser.2 v.8-9 1947-48; new ser.v.9 1948; new ser. v.10 1949; n.s. v.10-11 1949-1950; ser.2 v.10-11 1949-50; new ser. v.11 1950; ser.2 v.12 1951; n.s. v.12-13 1951-1952; new ser. v.13 1952; ser.2 v.13 1952; new ser. v.14 1953; ser.2 v.14 1953; new ser. v.15 1954; ser.2 v.15 1954; new ser. v.16 1955; ser.2 v.16 1955; new ser. v.17 1956; ser.2 v.17 1956; new ser. v.18 1957; ser.2 v.18 1957; v.27 1966 no.1-9
committed to retain 2023-01-01 HTDL