Bruyn, Severyn Ten Haut, 1927- The human perspective in sociology : the methodology of participant observation / [by] Severyn T. Bruyn. - Englewood Cliffs, N.J. : Prentice-Hall, [1966] - 286 p. ; 24 cm. Bibliographical footnotes. Subjects--Topical Terms: Sociology--Methodology LC Class. No.: HM24