Pilze der Schweiz / deel 1 / Ascomyceten
Duits
Die Strauch- und Laubflechten Mitteleuropas
Duits / heruitgave 1928
Introduction to British lichens
Engels
Lichens / An illustrated guide to the British and Irish species
Engels
Flora Agaricina Neerlandica / Critical monographs on families of agarics and boleti occurring in the Netherlands / deel 2 / A. General part, B. Taxonomic part: Pleurotaceae, Pluteaceae, Tricholomataceae
Engels
Flora Agaricina Neerlandica / Critical monographs on families of agarics and boleti occurring in the Netherlands / deel 3 / A. General part, B. Taxonomic part: Tricholomataceae
Engels
Flora Agaricina Neerlandica / Critical monographs on families of agarics and boleti occurring in the Netherlands / deel 4 / A. General part, B. Taxonomic part: Strophariaceae, Tricholomataceae (3)
Engels
Flora Agaricina Neerlandica / Critical monographs on families of agarics and boleti occurring in the Netherlands / deel 5 / A. General part, B. Taxonomic part: Agaricaceae
Engels
Flora Agaricina Neerlandica / Critical monographs on families of agarics and boleti occurring in the Netherlands / deel 6 / A. General part, B. Taxonomic part: Coprinaceae, Bolbitiaceae
Engels