Obaidullah M. 1925- The pattern of Bengali vocabulary, 1740-1864 / M. Obaidullah - 1st ed. - Dacca : Bengali Academy, 1964 - 60 p. : ill. ; 22 cm. Includes bibliographies. Subjects--Topical Terms: Bengali language--Vocabulary. Dewey Class. No.: 491.443 / OBP 1964