Annales des sciences naturelles Botanique (Fortin, Masson, 1902)

The Bradley bibliography; a guide to the literature of the woody plants of the world published before the beginning of the twentieth century - Sargent, Charles Sprague, 1841 -1927 (Riverside Press, 1911)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1872)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1872)

Icones plantarum or figures, with brief descriptive characters and remarks, of new or rare plants, selected from the author's herbarium - Hooker, Joseph Dalton, 1817 -1911 (Longman, Rees, Orme, Brown, Green, & Longman, etc, 1867)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCI usque ad finem anni MDCCCCV complectens Supplementum tertium - Royal Botanic Gardens, Kew. (e prelo Clarendoniano)

Journal of the East Africa Natural History Society - Coryndon Memorial Museum. (The Museum, 1960)

The Journal of the Linnean Society. Botany - Linnean Society of London. (Longman, Green, Longman, Roberts & Green, 1911)

The Journal of the Linnean Society. Botany - Linnean Society of London. (Longman, Green, Longman, Roberts & Green, 1911)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1903)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1909)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1909)

A record of plants collected in Southern Rhodesia; arramged on Engler's system - Eyles, Fred (1916)

Reise in Ostafrika in den Jahren 1903-1905 : mit Mitteln der Hermann und Elise geb. Heckmann Wentzel-Stiftung : Wissenschaftliche Ergebnisse - Voeltzkow, Alfred, 1860 -1946 (E. Schweizerbartsche Verlagsbuchhandlung, 1923)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1885)

Transactions of the Royal Society of South Africa - Royal Society of South Africa. (Royal Society of South Africa, 1915)