Excerpt from A System of Universal Geography: On the Principles of Comparison and Classification With regard to durability of impression, we'discard that method
The enduring influence of naturalist and explorer Alexander von Humboldt on American art, culture, and politics Alexander von Humboldt (1769–1859) was one of
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant mark