Podobné jednotky: Men of science in America
- Outposts of science; a journey to the workshops of our leading men of research /
- Los Orígenes ideológicos de la revolución norteamericana
- Popular education and democratic thought in America
- History of the United States of America, from the discovery of the continent to 1789 /
- Algunos artífices del derecho norteamericano /
- Face of North America: the natural history of a continent