Text ( visual ) : unmediated America divided : minority group relations in the United States / by Arnold and Caroline Rose. -- New York : Alfred A. Knopf , 1948. -- xi, 342, ix p. ; 22 cm. -- Bibliography : p. 329-342. -- (BA45154769) ; https://ci.nii.ac.jp/ncid/BA45154769 Author Heading(s): Rose, Arnold Marshall ; Rose, Caroline