Forgotten time the Yazoo-Mississippi Delta after the Civil War von Willis, John C. 1868-1958

A dictionary of useful and everyday plants and their common names based on material contained in J. C. Willis: "A dictionary of the flowering plants and ferns", 6th ed., 1931 von Howes, Frank Norman, Willis, John C. 1868-1958

The course of evolution by differentiation of divergent mutation rather than by selection von Willis, John C. 1868-1958

The Cacao Canker von Willis, John C. 1868-1958, Green, E. Ernest

Agriculture in the tropics an elementary treatise von Willis, John C. 1868-1958

Inhaltsverzeichnis

A dictionary of the flowering plants and ferns von Willis, John C. 1868-1958

Flora of the Chagos Archipelago The Percy Sladen Trust Expedition to the Indian Ocean in 1905, under the leadership of J. Stanley Gardiner, M.A.. Volume VIII., No. XI. von Willis, John C. 1868-1958, Gardiner, John Stanley 1872-1946

A dictionary of the flowering plants and ferns von Willis, John C. 1868-1958

Ceylon a handbook for the resident and the traveller von Willis, John C. 1868-1958

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A manual and dictionary of the flowering plants and ferns von Willis, John C. 1868-1958

Studies in the morphology and ecology of the Podostemaceae of Ceylon and India von Willis, John C. 1868-1958

A handbook of the vegetable economic products of Ceylon, native, cultivated, or imported von Willis, John C. 1868-1958, Wright, Herbert 1874-1940

The Botanic Garden, Badulla von Willis, John C. 1868-1958

A manual and dictionary of the flowering plants and ferns von Willis, John C. 1868-1958

A manual and dictionary of the flowering plants and ferns von Willis, John C. 1868-1958

The Cacao Canker von Willis, John C. 1868-1958, Green, E. Ernest

A manual and dictionary of the flowering plants and ferns von Willis, John C. 1868-1958

A dictionary of the flowering plants and ferns von Willis, John C. 1868-1958

A revised catalogue of the indigenous flowering plants and ferns of Ceylon von Willis, John C. 1868-1958

A dictionary of the flowering plants and ferns von Willis, John C. 1868-1958