Die Vegetation der Erde nach Ihrer Klimatischen Anordnung (The Earth's vegetation after its climatic arrangement), 1872 (1st Edition), 1884 (2nd Edition).
Plantae Wrightianae e Cuba Orientali at Botanicus [1] (頁面存檔備份,存於互聯網檔案館)
Catalogus plantarum cubensium (Catalog of Plants of Cuba) 1866, at Botanicus [2] (頁面存檔備份,存於互聯網檔案館)