Drawing
Arboretum Landscape Teaching Aid Series: An Apple Tree was Planted on a Farm1940 – 1960
Watts, May Theilgaard
Book
Charles de l'Escluse (Carolus Clusius) Nederlandsch kruidkundige, 1526-1609 / door dr. F.W.T. Hunger.1927 – 1943
Hunger, F. W. T. (Friedrich Wilhelm Tobias), 1874-