Left-Handedness: Early Theories, Facts, and Fancies11This chapter is an expanded version of a paper presented at a symposium, The Sinistral Mind, March 3-4, 1977, San Francisco, Calif., and at a conference, Left-handedness, Brain Organization, and Learning, March 5-6, 1977, University of California, Berkeley. The section on “Ambidextral Culture” was presented, in different form, in papers at the Annual Meetings of the Midwest Psychological Association (Harris, 1978) and the International Neuropsychology Society (Harris, 1979).I am grateful to the staff of the Science Library and the Inter-Library Loan Office of Michigan State University for their help. Preparation of this paper was supported, in part, by an All-University grant from Michigan State University.