Text ( visual ) : unmediated Educational sociology / by Daniel H. Kulp II. -- New York : Longmans, Green , 1932. -- xvi, 591 p. ; 22 cm. -- (Longmans' social science series). -- (BA40070559) ; https://ci.nii.ac.jp/ncid/BA40070559 Author Heading(s): Kulp, Daniel Harrison