Krafft, Johann Carl Philipp von 1752-1804 creator mixed material monographic ger dut eng fre lat rus 90 1 1 0.4 Correspondence, journal (1770-1791), military records, travel notes, and writings chiefly relating to von Krafft's career as a mercenary soldier. Includes material on his service for the British during the American Revolution. The papers also reflect his travels in Russia, the Netherlands, and Québec, his interest in astronomy, geometry, literature, mathematics, and philosophy, his fluency in several languages, and his work on a perpetual calendar. Open to research. Maps transferred to Library of Congress Geography and Map Division. Hessian army officer and surveyor. Collection material chiefly in German, with English, French, Latin, Russian, and Dutch. Finding aid available in the Library of Congress Manuscript Reading Room and http://hdl.loc.gov/loc.mss/eadmss.ms008082 Astronomy Geometry Language and languages Literature Mathematics Perpetual calendars Philosophy Netherlands Description and travel Québec Description and travel Russia Description and travel United States History Revolution, 1775-1783 Participation, German Army officers, Hessian Surveyors mm 94082983 hdl:loc.mss/eadmss.ms008082 hdl:loc.mss/eadmss.ms008082.3 http://hdl.loc.gov/loc.mss/eadmss.ms008082 http://hdl.loc.gov/loc.mss/eadmss.ms008082.3 Open to research. DLC 950210 20260227111724.0 mm 94082983