Expeditions and Discoveries Sponsored Exploration and Scientific Discovery in the Modern Age

Search Constraints

You searched for: Creators/Contributors Armstrong, Robert, 1792-1854 Remove constraint Creators/Contributors: Armstrong, Robert, 1792-1854 Creators/Contributors Herndon, William Lewis, 1813-1857 Remove constraint Creators/Contributors: Herndon, William Lewis, 1813-1857 Repository Gray Herbarium Library, Botany Libraries, Harvard University Remove constraint Repository: Gray Herbarium Library, Botany Libraries, Harvard University Repository Master Microforms, Harvard University Remove constraint Repository: Master Microforms, Harvard University Subjects Amazon River Valley--Description and travel Remove constraint Subjects: Amazon River Valley--Description and travel Subjects Amazon River Valley--Discovery and exploration--American Remove constraint Subjects: Amazon River Valley--Discovery and exploration--American

Search Results