11. 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)
12. 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)