Papers of Alexander Hamilton Rice, 1917-1928, comprising notes and observations by Rice including of the Rio Grande, Brazil, 1917 and 1919-1920; notes and correspondence about expeditions of 1924-1925 and 1926-1928; journals 1920-1921 from South American expeditions 'The Rio Negro, the Casquiare Canal and the upper Orinoco'; and journal entitled 'Some notes on the Brazilian Amazon and the Venezuela-Guyana expedition', 1925.