Brockhaus-1911: Blackwood & Sons · Blackwood · Red River · Platte River · Minnesota River · Miami River · Pelly River · Orange River Colony · Snake River · Swan River · White River · Rock River · Ruperts River · Saint Mary's River · Humboldt River · Black River · Canadian River · Cape Fear River · Back River · Big Black River · Big Horn River · Fall River · Flint River · Green River · Clarke's River · Croton River · East River
Herder-1854: Blackwood · Red River · Grand River
Lueger-1904: Blackwood · River diggings
Meyers-1905: Blackwood [1] · Blackwood [2] · Copper River · Coppermine River · Connecticut River · Cape Fear River · Clinch River · Escambĭa River · Fall River · English River · Detroit River · East River · Canadian River · Big Blue River · Big Horn River · Big Black River · Batavia River · Bear River · Altemaha River · Calumet River · Back River · Black River · Black Warrior River
Pierer-1857: Blackwood