Library of Congress catalog.
Library of Congress.
Washington : Library of Congress,
1950-74.
Beginning with 1953, entries for Motion pictures and filmstrips, Music and phonorecords form separate parts  of the Library of Congress catalogue.  Entries for Maps and atlases were issued separately 1953-1955.
"A cumulative list of works represented by Library of Congress printed cards".
Beginning with 1953, entries for Motion pictures and filmstrips, Music and phonorecords form separate parts  of the Library of Congress catalogue.  Entries for Maps and atlases were issued separately 1953-1955.
Subject catalogs.