The Collaborative International Dictionary of English v.0.48:

Paleface \Pale"face`\ (p[=a]l"f[=a]s`), n.
   A white person; -- an appellation supposed to have been
   applied to the whites by the American Indians. --J. F.
   Cooper.
   [1913 Webster]

WordNet (r) 3.0 (2006):

paleface
    n 1: (slang) a derogatory term for a white person (supposedly
         used by North American Indians)

Moby Thesaurus II by Grady Ward, 1.0:

41 Moby Thesaurus words for "paleface":
   American Indian, Amerind, Australian aborigine, Bushman, Caucasian,
   Indian, Malayan, Mister Charley, Mongolian, Negrillo, Negrito,
   Negro, Oriental, Red Indian, WASP, black, black man, blackfellow,
   boy, brown man, burrhead, colored person, coon, darky, gook, honky,
   jigaboo, jungle bunny, nigger, niggra, ofay, pygmy, red man,
   redskin, slant-eye, spade, the Man, white, white man, whitey,
   yellow man