31. Library of Congress catalog, cumulative list of works represented by Library of Congress printed cards: Books, subjects: [compiled and edited by Catalog Maintenance and Catalog Publication Division]. Bookmark SuDoc number: LC 30.8/3:(date)
32. Library of Congress catalog, cumulative list of works represented by Library of Congress printed cards: Books, subjects; [compiled and edited by Catalog Publication Division]. Bookmark SuDoc number: LC 30.8/3:(date)
33. Library of Congress catalog, cumulative list of works represented by Library of Congress printed cards: Books, subjects; [compiled and edited by Catalog Publication Division]. Bookmark SuDoc number: LC 30.8/3:(date)
34. Library of Congress catalog, cumulative list of works represented by Library of Congress printed cards: Books, subjects; [compiled and edited by Catalog Publication Division]. Bookmark SuDoc number: LC 30.8/3:(date)
35. Library of Congress catalogs: Subject catalog; [compiled and edited by Catalog Publication Division]. Bookmark SuDoc number: LC 30.8/3:(date)