Botany & Horticulture in 1949
Marin Flora: Manual of the Flowering Plants and Ferns of Marin County, California
by
Howell, John Thomas
Marin Flora: Manual of the Flowering Plants and Ferns of Marin County, California
by
Howell, John Thomas
Pflanzenphysiologische Bodenkunde
by
Mitscherlich, Alfred
Sammlung Göschen Grundriß der Allgemeinen Mikrobiologie
by
Schwartz, Wilhelm
