Supplement to National Directory of Commodity Specification United States. National Bureau of Standards Published: 1947 Total Pages: 326 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
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
Directory of National Trade Associations Calvert Jay Judkins Published: 1956 Total Pages: 68 Get eBook
Directory of National Trade Associations United States. Department of Commerce Published: 1956 Total Pages: 64 Get eBook
National Library of Medicine Current Catalog National Library of Medicine (U.S.) Published: 1971 Total Pages: 1008 Get eBook
