1. Journal of three voyages along the coast of China, in 1831, 1832, & 1833 : with notices of Siam, Corea, and the Loo-Choo Islands. Gützlaff, Karl Friedrich August, 1803-1851 London : Frederick Westley, A.H. Davis, 1834. Book Online
2. Voyage round the world, including travels in Africa, Asia, Australasia, America' etc., etc., from 1827 to 1832. Holman, James, 1786-1857 London : Smith, elder and Co., 1834-1835. Book Online
3. Journal of a residence in Siam and of a voyage along the coast of China to Mantchou Tartary. Gützlaff, Karl Friedrich August, 1803-1851 Canton : [s.n.], 1832. Book Online
4. Voyage à Canton, capitale de la province de ce nom, à la Chine; Par Gorée, le Cap de Bonne-Espèrance, et les Isles de France et de la Réunion ... Charpentier de Cossigny, Joseph François, 1730-1809 Paris : [s.n., 1796] Book Online