Text ( visual ) : unmediated Solitude and privacy : a study of social isolation, its causes and therapy / by Paul Halmos ; With a foreword by T. H. Marshall. -- New York : Greenwood Press , 1969. -- xvii, 181 p ; 23 cm. -- Reprint of the 1953 ed ; Bibliography: p. 169-176. -- ISBN 0837124557 ; (BA54462182) ; https://ci.nii.ac.jp/ncid/BA54462182 Author Heading(s): Halmos, Paul ; Marshall, T. H. (Thomas Humphrey). -- Classification(s): LCC : HM291 ; DC : 301.15. -- Subject Heading(s): LCSH : Social isolation ; LCSH : Community life