Oldfield Thomas, Catalogue of the Marsupialia and Monotremata in the Collection of the British Museum (Natural History) Dept of Zoology (1888), Taylor and Francis, London Catalogue of the Marsupialia... πλήρες κείμενο retrieved 3/21/2007
Oldfield Thomas F. R. S., The History of the Collections Contained in the Natural History Departments of the British Museum Vol. II, Separate Historical accounts of the Historical Collections included in the Department of Zoology, I. Mammals,(1906) William Clowes and Sons Ltd. London. retrieved 3/21/2007The History of the Collections..." πλήρες κείμενο
