G. A.  Boulenger, ?Description of a new Engystomatid Frog of the Genus Breviceps from Namaqaaland?, The Annals and magazine of natural history; zoology, botany, and geology, vol. 7th ser. v. 20, 1907.

G. A.  Boulenger, ?Description of a new frog discovered by Dr. W.J. Ansorge in Mossamedes, Angola?, The Annals and magazine of natural history; zoology, botany, and geology, vol. 7th ser. v. 20, 1907.

G. A.  Boulenger, ?Descriptions of a new toad and a new amphisbaenid from Mashonaland.?, Annals and Magazine of Natural History, Series, vol. 7, pp. 47-49, 1907.

G. A.  Boulenger, ?Descriptions of three new lizards and a new frog, discovered by Dr. W. J. Ansorge in Angola?, Annals and Magazine of Natural History, Series 7, vol. 19, pp. 212-214, 1907.

G. A.  Boulenger, ?Second report on the batrachians and reptiles collected in South African by Mr. C.H.B. Grant, and presented to the British Museum by Mr. C.D. Rudd?, Proceedings of the Zoological Society of London, vol. 1907, pp. 478-487, 1907.

L. G.  Andersson, ?Verzeichnis einer Batrachiersammlung von Bibundi bei Kamerun des Naturhistorischen Museums zu Wiesbaden?, Jahrbücher des Nassauischen Vereins für Naturkunde, vol. 60, pp. 228-245, 1907.