Brockhaus-1911: Elk · Ozark Mountains · Rocky Mountains · White Mountains · Saguache Mountains · Hoosac Mountains · Cedar Mountains · Blue Mountains · Green Mountains · Cumberland Mountains
Herder-1854: Elk · White Mountains · Rocky Mountains
Meyers-1905: Elk · Rocky Mountains · Ozark Mountains · San Juan Mountains · White Mountains · Wahsatch Mountains · Uintah Mountains · Hoosac Mountains · Catskill Mountains · Black Mountains · Big Horn Mountains · Green Mountains · Cumbrian Mountains · Cedar Mountains
Pierer-1857: Elk River · Elk [2] · Big Elk Creek · Elk [1] · Rocky Mountains · Rattle Snake Mountains · Peter-Mountains · Potatoe Mountains · Ragged Mountains · White Mountains · Wind River Mountains · Wahsatch Mountains · Schooley's Mountains · Stony Mountains · Cumberland-Mountains · Green Mountains · Cobequid Mountains · Blue Mountains · Cerne Mountains · Humboldt River Mountains · Lukkee Mountains · Ozark Mountains · Kittatinny Mountains · Iron Mountains · Kayaderosseras Mountains