"A publication of the Chemical Abstracts Service."
Issued also in semi-annual CD-ROM ed. with title: CASSI on CD, 1907/94-
Cumulation of: American Chemical Society. List of periodicals abstracted by Chemical abstracts, with key to library files and other information, <1914>-1969; Access (Columbus), ISSN 0567-6797, Oct./Dec. 1969-Apr./June 1970; Chemical Abstracts Service source index (Quarterly), ISSN 0146-8065, 1970-1974; and: Chemical Abstracts Service source index. Quarterly supplement, 1975-