Gabriele von Bülow, Tochter Wilhelm von Humboldts : ein Lebensbild aus den Familienpapieren Wilhelm von Humboldts und seiner Kinder, 1791-1887 /

Includes index.

The travels and researches of Alexander von Humboldt; being a condensed narrative of his journeys in the equinoctial regions of America, and in Asiatic Russia, together with analyses of his more important investigations.

Cover: The family library, 54.