00947cam a2200277Ii 45000010006000000050017000060080041000230350023000640400032000870200015001190200018001340350019001520410013001710500023001840820010002071000019002172450104002362600039003403000021003794900030004005000098004305040054005286000045005826100023006276500019006504231620230410124058.0780302s1975    sp       b    000 0dspa d  a(OCoLC)ocm03682249  aDZMcDZMdOCLdOCLCQdDRFGD  a8420621471  a9788420621470  a(OCoLC)36822491 aspaheng14aLF 795bH489c 197500a370.11 aHemmings, Ray.10aCincuenta años de libertad :blas ideas de A.S. Neill y la escuela de Summerhill /cRay Hemmings.  aMadrid :bAlinza Editorial,c1975.  a312 p. ;c20 cm.0 aAlianza Universidad;v147  aTranslation of Fifty years of freedom: a study of the development of the ideas of A.S. Neill.  aIncludes bibliographical references (p. 309-312).10aNeill, Alexander Sutherland,d1883-1973.20aSummerhill School. 0aChild rearing.