. . "Logique Manuels." . . . . . . . . . . "Studies in deductive logic. A manual for students"@en . . . "Studies in deductive Logic : a manual for Students" . "Studies in deductive logic" . "Studies in deductive logic"@en . "Studies in deductive logic a manual for students" . "Studies in deductive logic a manual for students"@en . . . "Studies in Deductive Logic, etc" . . . . "Studies in deductive logic; a manual for students"@en . . . . "Studies in deductive logic : A manuel for students" . . "Studies in deductive logic. : A manual for students" . . . . . "Studies in deductive logic : a manual for students" . "Studies in deductive logic : a manual for students"@en . . . . . . . "Studies in Deductive Logic" . . . . "Studies in deductive logic a manual for students, by W. Stanley Jevons"@en . . . . . . . . . . . . . . . . . "Studies in deductive logic; a manual for students, by W. Stanley Jevons"@en . . . . "Logique." . . "Logika." . . "Logique Manuels d'enseignement." . . "Macmillan Company." . . "Lògica." . . "Lógica." .