"ジョン" . . "John R." . "John Clark"@es-ES . . "John"@en . . "John R Clark"@en . "Ray" . "Clark"@fr-FR . . "John R. Clark" . "geoloog John Russell Clark" . "Russell" . "John Russell" . "John Clark" . . . . "John Russell Clark" . "Clark, John Russell, geoloog" . . "ジョン クラーク" . . "John Russel Clark"@pl-PL . . . "جون ر. كلارك،" . "Russel" . "John Ray Clark" . "John Russell Clark" . . . "R."@en . "クラーク" . "John R. Clark"@en . "J. R." . "1927-04-11" . "كلارك، جون ر.،"@ar-EG . "J. R. Clark" . "Clark" . "Clark"@en . . .