. . "Greenfield Quarles"@en . . . "1921-01-14Z"^^ . "1921Z"^^ . "1847-04-01Z"^^ . . . "Sigma Nu founder" . . . . "1847Z"^^ . . . . . "Quarles, Greenfield"@en . "Greenfield Quarles (April 1, 1847 - January 14, 1921) was a Confederate States Army and United States Army soldier, judge, and one of the founders of the Sigma Nu fraternity."@en . .