ISSUED BY THE SUPERINTENDENT OF DOCUMENTS U.S. GOVERNMENT PRINTING OFFICE, WASHINGTON, D.C. 20402 1978
L.C. Card 4-18088
FOR SALE BY THE SUPERINTENDENT OF DOCUMENTS. U.S. GOVERNMENT PRINTING OFFICE. WASHINGTON, D.C. 20402. SUBSCRIPTION PRICE $45.00 PER YEAR INCLUDES 12 ISSUES OF MONTHLY CATALOG, SERIALS SUPPLEMENT, SEMIANNUAL INDEX, AND