Program: HathiTrust Digital Library

  • Publisher: IIT Research Institute [etc.]
  • Print ISSN: 0016-2086
  • Electronic ISSN:
  • OCLC Number: 1570258
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
v.1-5 (1938-42); v.6-10 (1943-47); v.11-14 (1948-51); v.15-19 (1952-56); v.20:no.1* (1957); v.20:no.2* (1957); v.20:no.3* (1957); v.20:no.4* (1957); v.21:no.1* (1958); v.21:no.2* (1958); v.21:no.3* (1958); v.21:no.4* (1958); v.22:no.1* (1959); v.22:no.2* (1959); v.22:no.3* (1959); v.23 1961-1962
committed to retain 2022-01-11 HTDL