Travels in Turkey, Asia Minor, Syria and across the desert into Egypt during the years 1799,1800 and 1801..

London: T. Gillet, 1803. First. hardcover. very good(-). Folding frontispiece, and 16 brilliantly colored costume plates, maps, plans & engraved plates included a folding facsimile of a passport. 4to, contemporary calf, worn & crackled with later leather spine, well-worn at the edges & corners, scratched & stained. London: T. Gillet for Richard Phillips, 1803. A very good(-).

Wittman's account of his expedition included an annex of observations on the plague, the diseases prevalent in Turkey, and a meteorological journal. By linking these diseases to his observations of weather & climate, Wittman was a pioneer in the field of medical climatology.