Brian W. Dippie, The Vanishing American: White Attitudes and U.S. Indian Policy (Middletown, Connecticut: Wesleyan Univ. Press, 1982, $24.95). Pp. xix, 423. - Clyde A. MilnerII, With Good Intentions: Quaker Work Among the Pawnees, Otoes, and Omahas in the 1870s (Lincoln: Univ. of Nebraska Press, 1982, $21.50). Pp. xvi, 238.