Chisholm Roderick M ed Empirical knowledge Readings from contemporary sources edited Roderick M Chisholm and Robert J Swartz Chisholm Roderick M ed; Swartz Robert J ed - Englewood Cliffs Prentice Hall 1973 - x,570p cm. Standard No.: 66,910 Source: Textual Dewey Class. No.: R2z7, L32