And now, about the EIGHTH Collective Index to Chemical Abstracts. Hold it! We know you're anxious to purchase the Eighth Collective Index to Chemical Abstracts. We don't blame you. Who wouldn't be anxious to be able to locate five years' worth of information about their specialty? We're sorry, but you'll have to wait until 1972 to receive your first volume of the 8th Collective Index. After all, this Collective covers five years, from 1967 through 1971 and will include Subject, Author, Formula, Registry Number, and Numerical Patent Indexes plus a Patent Concordance and Index of Ring Systems. We need time to produce this kind of comprehensive index to the world's primary chemical literature. But just don't forget about the 8th Collective Index.
48 C&EN MARCH 20, 1972
Send us your order for the Collective Index now and take advantage of our pre-publication discount. In the meantime, make use of the 7th Collective Index to Chemical Abstracts which covers 1962 through 1966. The 24 books of this Collective also include a Subject, Author, Formula, Numerical Patent Index as well as a Patent Concordance and Index of Ring Systems. So, temper your impatience with action. Order the 8th Collective Index to Chemical Abstracts and be ready for 1972. The Library of Congress Card Number for all Collective Indexes is 9-4698.
CHEMICAL ABSTRACTS SERVICE Marketing Department 13G-K THE OHIO STATE UNIVERSITY, COLUMBUS, OHIO 43210
