31. Library of Congress catalog: Motion pictures and filmstrips; [compiled and edited by Catalog Publication Division]. Bookmark SuDoc number: LC 30.8/4:(date)
32. Library of Congress catalogs; Films and other materials for projection; [Compiled and edited by Catalog Publication Division]. Bookmark SuDoc number: LC 30.8/4:(date)
33. Library of congress catalog, cumulative list of works represented by Library of Congress printed cards: Motion pictures and filmstrips. Bookmark Corporate/Agency Authors: Library of Congress Publisher: Library of Congress SuDoc number: LC 30.8/4:(date)