DNB - http://www.oxforddnd.com (2005-03-15)
Personal narrative of a journey from India to England : by Bussorah, Bagdad, the ruins
of Babylon, Curdistan, the Court of Persia, the Western Shore of the Caspian Sea,
Astrakhan, Nishney Novogorod, Moscow, and St. Petersburgh, in the 1824 / Captain,
the Hon. George Keppel, 2004 [reprod. de l'éd. de 1827]