1. Adams's Weekly Courant, 21 March 1780 and 2 May 1780
2. Advertisement and News Column: Dromedary and Camel 26th January 1758 Lysons Collection, Microfilm MC20452 British Library (frames: 9 and 8e)
3. Advertisement: A Live Boos Potamus, or the River Cow of Egypt, from the Banks of the Nile, a species of the Hippopotamus. Lysons Collection, Microfilm MC20452 British Library (frame: 26)