Pearson, Hesketh. Doctor Darwin / Hesketh Pearson. - New York : Walker and Company, [1930]. - ix, 235 pages ; 21 cm. Includes bibliographical references and index. Subjects--Personal Names: Darwin, Erasmus, 1731-1802. Subjects--Topical Terms: Physicians.Scientists. LC Class. No.: QH31.D2 / S4 Dewey Class. No.: 925.9 PEA