HENDERSON, F.C., pseud. Bibliography. In H.L. Mencken: Fanfare, by Burton Rascoe; The American Critic, by Vincent O'Sullivan; Bibliography, by F.C. Henderson. New York, Knopf, 1920. p. 21-32.
Henderson is one of Mencken's pseudonyms.
FREY, CARROLL. A Bibliography of the Writings of H.L. Mencken. Philadelphia, Centaur Bookshop, 1924. 70 p. front. (port. by Willem Wirtz) ports., facsims. (Centaur Bibliographies of American Writers)
FROELICHER, FRANCIS MITCHELL. H.L. Mencken Collection [Catalogue] [1937?] 1 vol. (loose-leaf) typewritten.
ADLER, BETTY. A Descriptive List of H. L. Mencken Collections in the U.S. Baltimore, Enoch Pratt Free Library, 1967. 16 p.
ADLER, BETTY. Man of Letters; a Census of the Correspondence of H.L. Mencken. Baltimore, Enoch Pratt Free Library, 1969. xi, 335 p.