Lawler, Sylvia D. Human blood groups and inheritance / by Sylvia D. Lawler and L. J. Lawler. With a foreword by R. R. Race. - 2d ed. - Cambridge, Mass. : Harvard University Press, 1957 - viii, 104 p. ; illus. ; 19 cm. - The Scholarship series in biology . Bibliography: p. 99. Subjects--Topical Terms: Blood groups. Dewey Class. No.: 612.11825 / LAH