"J. P." . "John" . . . "P."@en . "Harthan"@en . "Harthan John P." . "Harthan John" . "John p. Harthan" . . "1916-04-15" . . "John"@en . "John P. Harthan"@en . . "John P. Harthan" . "Harthan" . "p." . . . . "Harthan, John (John P.)" . "J. P. Harthan" . "John Plant HARTHAN" . "John" . . "John Harthan" . . . "Harthan"@pt-PT . "John Plant Harthan"@pl-PL . . . "John Plant" . "John P." . "John P" . "P." . "Harthan" . "Harthan John" . "J." . . "John Harthan"@de-DE . "John HARTHAN" . "Plant" . . . "2002-01-09" . "J. Harthan" . "HARTHAN" . "John Plant Harthan" . . "John P Harthan" . . .