| Tipo | | Titolo | |
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 | | The American language : an inquiry into the development of english in the United States / by H. L. Mencken. - 4. ed. corrected, enlarged and rewritten. - New York : Alfred A. Knopf, 1937. - XI, 769 p., XXIX ; 25 cm. |
| | The American language : an inquiry into the development of english in the United States : supplement 2. / by H. L. Mencken. - New York : Knopf, 1948. - XIII, 890, XLIII p. ; 24 cm. |
| | The american language : an inquiry into the development of English in the United States. Supplement 1. / by H. L. Mencken. - New York : Knopf, 1945. - XV, 739, XXXV p. ; 24 cm. |
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