00537pamaa2200181 4500 0000022370 20060628090000.0 0773724672 500 KNU Q171 KNU 1991 KNUDTSON A mirror to nature : reflections on science, scientists and society Peter Knudtson. Canada: Stoddart, 1991. 229p.; 24cm. Life sciences Scientists -- Biography Racism Indians of North America -- Social life and customs