. . "Ontology." . . "Ontologie." . . "Existentialisme." . . . . . . . . "Early works"@en . "Early works" . . . . . . "Concerning Being and Essence-De ente et essentia ... Translated ... with the addition of a preface by George G. Leckie"@en . . . . "Being and essence"@en . . . . . "Concerning Being and Essence (De Ente Et Essentia) Translated From the Latin With the Addition of a Pref. by George G. Leckie"@en . . "Concerning being and essence (De ente et essentia) ; tr. from the Latin with the addition of a preface by George G. Leckie"@en . "Concerning being and essence"@en . . "Concerning being and essence" . "Concerning being and essence (de ente et essentia)" . . "Concerning being and essence = (De ente et essentia)" . "De ente et essentia"@en . . . . . "Concerning Being and essence" . . . . . "Concerning being and essence (De ente et essentia)"@en . "Concerning being and essence (De ente et essentia)" . . . . . .