Cohn, Norman S. Elements of cytology. - New York Harcourt, Brace & World [1964] - xvi, 368 p. illus., diagrs. 24 cm. Includes bibliographical references. LCCN: 64015777 Subjects--Topical Terms: Cytology LC Class. No.: QH581 / .C54 Dewey Class. No.: 574.87