Brockhaus-1911: Cedar Rapids · Cedar Mountains · Cedar Creek · Red River · Old red sandstone
Meyers-1905: Cedar Mountains · Cedar Rapids · Cedar Creek · Cedar Falls · Red skin · Red River of the North · Red River · Red Star-Linie · Red. · Red wood · Red Wharf Bay · Red pine · Red Bank · Old red · New Red Sandstone · Red crag · Red Oak · Red Jacket · Red Hill
Pierer-1857: Red Cedar River · Cedar Bluff · Cedar · Red Wing · Red-Head · Red-River · Red Sulphur Springs · Little Red River · Red Lake · Red River