Text ( visual ) : unmediated The social order / Robert Bierstedt. -- 3rd ed. -- New York : McGraw-Hill , 1970. -- xi, 563 p. : ill. ; 23 cm. -- Includes bibliographical references and index. -- (BA03083992) ; https://ci.nii.ac.jp/ncid/BA03083992 Author Heading(s): Bierstedt, Robert. -- Classification(s): LCC : HM51 ; DC : 301. -- Subject Heading(s): LCSH : Sociology