Alexander von Humboldt was a traveler and naturalist.
1 volume on 1 microfilm reel.
Received from the Historical Society of Pennsylvania and accessioned, 1973 (1973 451mf).
Originals in Historical Society of Pennsylvania, Philadelphia, PA.
This is a microfilm of an early American collection that may be of interest to researchers at the APS and may complement an original manuscript collection at the APS.