Sellars, Roy Wood, 1880-1973. Critical realism : a study of the nature and conditions of knowledge / by Roy Wood Sellars. - Chicago ; New York : RUssell & Russell, 1916[Reissued 1969]. - 2 p. l., iii-x, 283 p. ; 22 cm. Subjects--Topical Terms: Knowledge, Theory of.Realism. Dewey Class. No.: 146 / SEC 1969