EntityQ584294· pop 14· linked from 43 articlesCosmosSign in to save1845 essay by Alexander von HumboldtConnectionsHumboldt-Universität zu BerlinEntityColombiaCountryEcuadorCountrygeographyEntityCharles DarwinEntityuniverseEntityEdgar Allan PoePersongeologyEntitybotanyEntityAncient GreeceEntityzoologyEntityInternational Standard Book NumberEntitynatural scienceEntityRalph Waldo EmersonEntityWalt WhitmanEntityHenry David ThoreauEntityAlexander von HumboldtEntitydigital object identifierEntityseismologyEntitybiogeographyEntityCategories1840s in science1845 in literature1845 introductions1845 non-fiction books1847 non-fiction books1850s in science1858 non-fiction books1860s in science1862 non-fiction booksAlexander von HumboldtBook series introduced in the 1840sHumboldt University of BerlinScience and technology in the Kingdom of Prussia