von Humboldt, Professor Alexander books & textbook
Cosmos: A Sketch of the Physical Description of the Universe; Volume 2 (Foundations of Natural History)
von Humboldt, Professor Alexander Dettelbach, Professor Michael
The Johns Hopkins University Press /1997-05-12 Paperback / 375 Pages
isbn-10: 0801855039 / isbn-13: 9780801855030
Political Essay On The Kingdom Of New Spain V2 (1814)
Humboldt, Alexander Von Black, Emeritus Professor John
Kessinger Publishing /2010-09-10 Paperback / 486 Pages
isbn-10: 1167021541 / isbn-13: 9781167021541
