The Drake mss., 1848-1849, consists of the letters of physician Daniel Drake, 1785-1852, to his children, copied by U.S. senator Charles Daniel Drake, 1811-1892.
The Gregg mss., 1844-1848, consists of letters of Josiah Gregg, 1806-1850, Santa Fe trader and author, to John Bigelow, 1817-1911, editor, diplomat, and author.
The Harding mss., 1843-1930, consists of the papers of Stephen Selwyn Harding, 1808-1891, lawyer, governor of Utah Territory, and chief justice of Colorado Territory.
The Bartholomew mss., 1838-1886, consists of the papers of American businessman, pioneer, and judicial officer Jacob Bartholomew, 1818-1863, and his wife, Emily Ebersole Bartholomew, 1825-1913.
The Banta mss., 1836-1888, consists of the papers of James P. Banta, 1814-1873, Civil War soldier of Salem, Indiana, and his wife, Jane P. Lewelling, 1812-.
The Palmer mss., 1835-1888, consists of the correspondence and papers of Joel Palmer, 1810-1881, superintendent of Indian Affairs in Oregon Territory, 1853-1857, and of his brother, Ephraim Palmer, captain of Company B, 1st regiment, Oregon Infantry.
The Cleghorn mss., 1826-1893, consists of correspondence and papers of Indian trader William W. Cleghorn, 1815-1878, and material pertaining to his estate.
The Root mss., 1815-1888, are papers of Riley Root, 1795-1870, teacher, surveyor, inventor, and author of Journal of Travels from St. Josephs to Oregon with Observations of that Country, together with Some Description of California, its Agricultural Interests, and a Full Description of its Gold Mines. Galesburg, [Ill.], Gazetteer and Intelligencer Prints, 1850 (Lilly F593.1 .R7).
The Latin American mss. --Paraguay, 1640-1862, consists of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to Paraguay. Additions continue to be made.
The Latin American mss. --Brazil, 1639-1871, consists of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to Brazil. Additions continue to be made.
The U.S. History mss., 1612-1977, consist of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to the United States. Additions continue to be made.
The Latin American mss. --Cuba, 1607-1869, consists of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to Cuba. Additions continue to be made.
The Latin American mss. Bolivia, 1606-1927, are illustrative chiefly of the colonial life of Alto Peru and of Bolivia's long struggle for independence from Spain.
The Latin American mss. Nicaragua, 1603-1857, consist primarily of items concerning Nicaragua's independence from Spain and its short-lived federation with Mexico.
The Latin American mss. --Venezuela, 1581-1880, consists of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to Venezuela. Additions continue to be made.
The Latin American mss. --Panama, 1578-1905, consists of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to Panama. Additions continue to be made.
The Latin American mss. --Mexico II, 1560-1940, consists of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, complementing the materials in the Latin American mss. Mexico collection. Additions continue to be made.
The Latin American mss. --Colombia, 1558-1890, consists of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to Colombia. Additions continue to be made.
The Latin American mss. --Chile, 1548-1890, consists of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to Chile. Additions continue to be made.
The Latin American mss. --Ecuador, 1546-1866, consists of individual items acquired separately either as a gift, purchase, transfer, or removal from a variety of sources, relating to Ecuador. Additions continue to be made.
The Latin American mss.--Miscellaneous 1536-1957 consists of miscellaneous documents from various Latin American countries, compiled from the other Latin American mss., including correspondence, goverment documents, literature, photographs, and other documents.
The Latin American mss. Peru, 1535-1929, consist of over 6500 documents which trace the historical, economic and social development of what is presently known as Peru, with lesser coverage of Argentina, Bolivia, Chile and Ecuador.