Funk, Wilfred John 30 days to a more powerful vocabulary [by] Wilfred Funk & Norman Lewis. Newly rev. by Norman Lewis. - New York Funk & Wagnalls [1970] - xii, 234 p. 22 cm. LCCN: 72094340 Subjects--Topical Terms: VocabularyEnglish language--Glossaries, vocabularies, etc. LC Class. No.: PE1449 / .F8 1970 Dewey Class. No.: 428/.1