並列タイトル等Index to languages and dialects.
一般注記Edited by Lawrence Buzard.
Rev. ed. of: Classification, Class P, subclasses P-PM supplement, Index to languages and dialects. 2nd ed. 1957, reprinted 1965.
Kept up to date by the Division's L.C. classification--additions and changes, and by an irregular cumulative publication issued by Gale Research Company, entitled Library of Congress classification schedules: a cumulation of additions and changes, Class P, subclasses P-PM, supplement--Index to languages and dialects.