Teaching children science hands-on nature study in North America, 1890-1930 - Kohlstedt, Sally Gregory 1943- (Chicago University of Chicago Press, 2010)
Keywords: Nature study -- United States -- History -- 19th century; Nature study -- United States -- History -- 20th century; Science -- Study and teaching -- United States -- History -- 19th century; Science -- Study and teaching -- United States -- History -- 20th century