- Cărți electroniceOn the Philosophy of Discovery, Chapters Historical and CriticalWilliam Whewell
- Cărți electroniceThe Plurality of WorldsEdward Hitchcock
- Cărți electroniceAstronomy and General Physics Considered with Reference to Natural TheologyWilliam Whewell
- Cărți electroniceThe Plurality of WorldsWilliam Whewell
- Cărți electroniceThe Plurality of WorldsWilliam Whewell
- Cărți electroniceOn the Philosophy of Discovery, Chapters Historical and CriticalWilliam Whewell
- Cărți electroniceAstronomy and General Physics Considered with Reference to Natural TheologyWilliam Whewell