Vols. for 1949?- include annual review issue (applications reviews and fundamental reviews in alternate years) issued as the second Apr. issue; 1964-65 include Buyers guide (formerly issued as part of the review issues); 19 -19 include LabGuide, issued as the second Aug. issue
Chemical abstracts 0009-2258
The July issue, 1966- is in 2 parts, part 2 with title: Laboratory guide to instruments, equipment, and chemicals
Some issues for <1973-> accompanied by supplementary material on microfiche; <1995-> by supporting information on microfiche
