American agricultural problems in the social studies : some important agricultural problems and related generalizations that should be considered in the general curriculum of urban and rural schools / by Kenneth E. Oberholtzer. 1st AMS ed.
American agricultural problems in the social studies : some important agricultural problems and related generalizations that should be considered in the general curriculum of urban and rural schools / by Kenneth E. Oberholtzer.
Reprint of the 1937 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 718.Originally presented as the auth...