De Omni Rerum Fossilium Genere, Gemmis, Lapidibus, Metallis, Et Huiusmodi, Libri (Gesner, Konrad)

The System of the World; Volume 2 (Laplace, Pierre Simon)

Unas personas (Buitrago, Jairo)

Dynamic Meteorology and Hydrography (Bjerknes, Vilhelm)











