00321nam a2200121Ia 4500008004100000040001600041041001200057082001800069100001900087245002800106260004800134300001700182230917s9999||||xx |||||||||||||| ||und||  e65373aMAIN  aEnglish  a301.018 W384M  aWebb, Beatrice 0aMethods of social study  aCambridgebCambridge University Pressc1975  axliv, 263 p.