. . . . . . . . . . "Through british guiana to the summit of roraima"@en . . . . . . "Through British Guiana to the Summit of Roraima ... With fourteen illustrations and a map"@en . "Through British Guiana to the Summit of Roraima ... With fourteen illustrations and a map" . . . . "Through British Guiana to the summit of Roraima, by Mrs. Cecil Clementi" . . . . . . "Through British Guiana to the summit of Roraima" . . . "Through British Guiana to the summit of Roraima"@en . "Guyana" . . "Guiana" . .