Übersicht der bekannteren Gabeltheilungen des Strömenden Wassers
1852|Humboldt, Alexander von
Der Orenoco
1840|J. Löwenberg
Facsimile: Part of Venezuela, Guiana by Arrowsmith.
1832|Arrowsmith, John1:4 850 000
A New and Comprehensive Gazetteer, being a delineation of the present state of the World ... constituting a systematic Dictionary of Geography ... Illustrated by a series of maps, forming a complete Atlas and a selection of appropriate views
1834|WRIGHT, George Newenham.
H. Die Rep. Columbia
1830|Schlieben, Wilhelm Ernst August von (1781 - 1839)1:900 000