Adelung-1793: Back-erbe, das · Back, das
Brockhaus-1911: Back [2] · Back · Pelly River · Platte River · Red River · Miami River · Minnesota River · Orange River Colony · Snake River · Swan River · White River · Rock River · Ruperts River · Saint Mary's River · Canadian River · Cape Fear River · Clarke's River · Big Black River · Big Horn River · Black River · Flint River · Green River · Humboldt River · Croton River · East River · Fall River
Herder-1854: Back-Khin · Back [2] · Back [1] · Red River · Grand River
Lueger-1904: Back · River diggings
Meyers-1905: Back River · Back [3] · Back-Gammon · Back-staff · Back [1] · Back [2] · Copper River · Coppermine River · Connecticut River · Cape Fear River · Clinch River · Escambĭa River · Fall River · English River · Detroit River · East River · Big Black River · Big Blue River · Bear River · Altemaha River · Batavia River · Calumet River · Canadian River · Black Warrior River · Big Horn River · Black River
Pierer-1857: Back [2] · Back [3] · Pis-Back · Back liegen · Back stellen · Back [1]