. . . . . "The History of the Phi Kappa Psi Fraternity from its foundation in 1852 to its fiftieth anniversary"@en . . "The history of the Phi kappa psi fraternity, from its foundation in 1852 to its fiftieth anniversary" . "The history of the Phi kappa psi fraternity, from its foundation in 1852 to its fiftieth anniversary"@en . . . . . . . . . .