Brockhaus-1911: Yellow pine · Pitch pine · Old red sandstone · Red River
Meyers-1905: Pine Bluff · Pine Creek · Pitch-pine · Yellow pine · Pine Barrens · Red skin · Red River of the North · Red River · Red Star-Linie · Red. · Red wood · Red Wharf Bay · Red Bank · Red Cedar · New Red Sandstone · Old red · Red Jacket · Red Oak · Red crag · Red Hill
Pierer-1857: Pine Island · Pine Grove · Pine-Islands · Pine-apple Oil · Pinè · Pine Barren-Ländereien · Pine Bluff · Red Wing · Red Sulphur Springs · Red-River · Red-Head · Red Cedar River · Little Red River · Red River · Red Lake