Travels through Arabia and other countries in the East - Niebuhr, Carsten, 1733-1815 (R. Morison and Son, 1792)
Abridged and adapted by the translator for the "public in general": v. 1 from v. 1 of C. Niebuhr's Reisebeschreibung nach Arabien und andern umliegenden Ländern (published in 1774) and v. 2 from Niebuhr's Beschreibung von Arabien (published in 1772)