- A treatise on the putrid constitution of 1777 and the preceding years, and the pestilential one of 1778: of the obstinate disorders that appeared in ... that arose in the latter, ... By John Barker.
- Syria And Egypt Under The Last Five Sultans Of Turkey: Being Experiences, During The Fifty Years, Of Mr. Consul-general Barker, Volume 1...
- A Vade-Mecum from India to Europe, by Way of Egypt
- Epidemicks, or general observations on the air and diseases, from the year 1740, to 1777 inclusive; and particular ones from that time to the beginning of 1795; ... By J. Barker.
- The end of Created Perfection. A Funeral Sermon for the Late Reverend Mr. Samuel Newman. ... Preached at Salters-Hall, June 8, 1735. By John Barker. ... the Speech at the Grave by Obadiah Hughes,





