TY - BOOK AU - Williams,Roger John TI - Free and unequal: the biological basis of individual liberty AV - QH431 .W49 1979 U1 - 573.2/1 PY - 1953/// CY - Austin PB - University of Texas Press KW - Human genetics KW - Local KW - Variation Biology KW - Difference Psychology N1 - Includes bibliographical references and index ER -