1. The X of psychology : an essay on the problem of the science of mind Author/Creator: Mason, Phillips, 1876- Publication/Creation: Cambridge, Mass. : Harvard University Press, 1940 Format: Book Access & Availability: Loading
2. Xipele xa wunharu Publication/Creation: Cleveland, Transvaal : Central Mission Press, [between 1940 and 1980] Format: Book Access & Availability: Loading
3. XVIII vek Publication/Creation: Moskva : Izd-vo Akademii Format: Journal, Newspaper or Serial Access & Availability: Loading