Oeuvres complètes /

by Huygens, Christiaan, 1629-1695
Published 1888

De invloed der temperatuur op de levensverschijnselen der planten /

by Vries, Hugo de, 1848-1935
Published 1870

Evolution by means of hybridization /

by Lotsy, Johannes Paulus, 1867-1931
Published 1916

Slavery as an industrial system : ethnological researches /

by Nieboer, H. J. (Herman Jeremias), 1873-
Published 1900