A Directory of Information Resources in the United States National Referral Center for Science and Technology (U.S.) Published: 1966 Total Pages: 260 Get eBook
A Directory of Information Resources in the United States: Physical Sciences, Engineering National Referral Center (U.S.) Published: 1971 Total Pages: 812 Get eBook
Book Catalog of the Library and Information Services Division: Shelf List catalog Environmental Science Information Center. Library and Information Services Division Published: 1977 Total Pages: 578 Get eBook
