VON HAGEN, VICTOR WOLFGANG.
South America called them; explorations of the great naturalists La Condamine, Humboldt, Darwin, Spruce.
VON HAGEN, VICTOR WOLFGANG. South America called them; explorations of the great naturalists La Condamine, Humboldt, Darwin, Spruce. © 19Feb45; A186202. Victor Wolfgang von Hagen (A); 14Apr72; R527365.
Victor Wolfgang von Hagen|A