Letter Concerning the Use and Method of Studying History (Classic Reprint) Petvin, John Heftet / 2018 / Engelsk
Letters Concerning Mind: To Which Is Added, a Sketch of Universal Arithmetic; Comprehending the Differential Calculus, and the Doctrine of Fluxions (Classic Reprint) Petvin, John Heftet / 2022 / Engelsk
Letters Concerning Mind: To Which Is Added, a Sketch of Universal Arithmetic; Comprehending the Differential Calculus, and the Doctrine of Fluxions (Classic Reprint) Petvin, John Innbundet / 2018 / Engelsk
Letter Concerning the Use and Method of Studying History (Classic Reprint) Petvin, John Innbundet / 2018 / Engelsk