(1) A Manual Flora of Egypt (2) Bush Days (3) The Flora of Bristol: Being an account of all the Flowering Plants, Ferns, and their Allies that have at any time been found in the district of the Bristol Coal-Fields (4) Pflanzengeographische Monographie des Berninagebietes (5) Das Pflanzenreich: Regni vegetabilis conspectus
R, A. B
Nature (London), 1913-10, Vol.92 (2293), p.162-164 [Periódico revisado por pares]Texto completo disponível