Hemmings, Ray Fifty years of freedom : a study of the development of the ideas of A. S. Neill / Ray Hemmings - London : George Allen and Unwin, 1972 - xiii, 218, 8 p. : ill., facsims., ports. ; 22 cm. American ed. published under title: Children's freedom Bibliography : p. 209-212 ISBN: 0043710204 Subjects--Personal Names: Neill, Alexander Sutherland, 1883 -1973 Subjects--Corporate Names: Summerhill School Subjects--Topical Terms: Child rearing