File:A quack doctor offering a gouty John Bull some medicine whil Wellcome L0018442.jpg - Wikimedia Commons

Category:Quack doctors - Wikimedia Commons

Doctor Sangrado relieving John Bull of the yellow fever

NPG D12807; 'Doctor Sangrado curing John Bull of repletion - with the kind offices of young Clysterpipe & little Boney -' - Portrait - National Portrait Gallery

OMNIA - John Doyle

Repletion hi-res stock photography and images - Alamy

Repletion hi-res stock photography and images - Alamy

File:A large John Bull being held down and force-fed by Peel and Wellcome V0011342.jpg - Wikipedia

A gouty patient having his pulse taken by a doctor; representing George IV's opposition to Catholic emancipation, and Wellington's support of it. Coloured etching by T. Jones, 1829.

OMNIA - John Doyle

Category:John Bull - Wikimedia Commons

File:Bad for the Quack Doctors (22879155336).jpg - Wikimedia Commons