著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Lockhart, Robert Hamilton Bruce, Sir and Keep, John L. H.","The two revolutions : an eyewitness study of Russia, 1917","[New ed.] / with a foreword and postscript 'The achievements of the Russian Revolution,' by John Keep",Bodley Head,1967,A background book,,,,https://cir.nii.ac.jp/crid/1130282273044038144