Washington : The Library : for sale by Cataloging Distribution Services, Library of Congress, 1978.
형태사항 :
x, 228 leaves ; 26 cm.
일반사항 :
"A revision of the second edition, originally published in 1917, and includes additions and changes made by the Library of Congress through June 1977." Includes index. Kept up to date by the Division's L.C. classification--additions and changes, and by 2 publications irregularly issued by Gale Research Company, entitled: Library of Congress classification schedules--a cumulation of additions and changes, Class M; and Library of Congress classification schedules combined with additions and changes.