Richard Schomburgk's Travels in British Guiana, 1840-1844 / translated and edited, with geographical and general indices, and route maps, by Walter E. Roth.

Licence: Public Domain Mark

Credit: Richard Schomburgk's Travels in British Guiana, 1840-1844 / translated and edited, with geographical and general indices, and route maps, by Walter E. Roth. Source: Wellcome Collection.