المساهمون: Gaffron, Eduard, 1861-1931., Adams, Charles Francis, 1862-1943., Barton, Edmund M. (Edmund Mills), 1838-1918., Blackwell, Howard Lane., Bertolotto, Andrea., Cooke, Robert Grier., Cram, G. W., Davis, William Morris, 1850-1934., De Milhau, Louis J., Eliot, Charles William, 1834-1926., Embury, Philip., Falcón, Alberto., Farabee, William Curtis, 1865-1925., Fisk, Philip S., Greene, Jerome Davis, 1874-1959., Hastings, John W., Hemenway, Augustus., Henderson, Thomas., Horr, Edward F., Krebs, Franz H., MacCurdy, George Grant, 1863-1947., McKay, R. C., Mark, E. L. (Edward Laurens), 1847-1946., Mason, Charles Francis, 1860-1947., Merwin, Raymond E. (Raymond Edwin), 1881-1928., Miller, W. T., Pitkin, Wolcott Homer, 1881-, Pope, A. W., Putnam, F. W. (Frederic Ward), 1839-1915., Roosevelt, Theodore, 1887-1944., Root, Elihu, 1845-1937., Rüdin, Ernst, 1874-1952., Smith, William Lord., Taylor, Solatia M., Thorndike, Townsend W. (Townsend William), 1872-1929., Vollmann, Franz., Vellosos Caritiba, Dario., Waddington, George., Wadlin, Horace G. (Horace Greeley), 1851-1925., American Anthropological Association., American Antiquarian Society., Andrew J. Lloyd and Co., Archiv für Rassen- und Gesellschafts-Biologie., Charles Ahrenfeldt & Son., District of Columbia. Supreme Court (1863-1936), Harvard College (1780- ), Harvard Travellers Club., Harvard University., Inca Mining & Rubber Co., National Phonograph Company., New Era Printing Company., Boston Public Library., Robert Grier Cooke (Firm), Simpson Thacher & Bartlett., United States. Department of State., W.R. Grace & Co.

مصطلحات موضوعية: Peabody Museum of Archaeology and Ethnology., South America Expedition., Indians of South America -- Amazon River Region., Machiguenga Indians., Machiguenga language -- Peru., Piro Indians (Peru), Mashco Indians., Jivaran Indians., Witoto Indians -- Peru., Guarayo Indians -- Bolivia., Campa Indians., Shipibo-Conibo Indians., Tambopata Indians -- Peru., Ese Ejja Indians -- Peru., Mabenaro Indians -- Peru., Tupi Indians., Correspondence., Field notes., Manuscripts., Financial records., Reports., Notebooks., Maps., Photographs.

جغرافية الموضوع: Urubamba River (Peru), Alto Ucayali (Peru), Peru -- Maps., Bolivia., Peru., Amazon River Region.