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

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