| Illinois Central Railroad Company [1] |
| Immigrants--United States--History [1] |
| Imports--Louisiana--New Orleans [1] |
| Incas [1] |
| Indian women--North America--History [1] |
| Indian women--South America--History [1] |
| Indians of Central America--History [1] |
| Indians of North America--Missions [1] |
| Indians of North America--Wars--1815-1875 [1] |
| Indigenity [9] |
| Insomnia--Poetry [1] |
| Insubordination [1] |
| Inter-American relations [18] |
| International & Great Northern Railroad [1] |
| Jamaica--History--To 1962--Sources--Bibliography--Catalogs [5] |
| Jersey City (N.J.)--Description and travel [1] |
| Journalists--Mexico--Diaries [1] |
| Juan Diego, Saint, 1474-1548 [1] |
| Juana Ines de la Cruz, Sister, 1651-1695 [1] |
| Kansas City (Mo.)--Description and travel [2] |
| La Paz (Bolivia)--Description and travel [1] |
| Lake Shore & Michigan Southern Railway [1] |
| Lake Titicaca (Peru and Bolivia) [1] |
| Laramie (Wyo.)--Description and travel [1] |
| Laredo (Tex.)--Description and travel [1] |
| Larriva de Llona, Lastenia [1] |
| Las Vegas (N.M.)--Description and travel [2] |
| Latin America--Description and travel [1] |
| Latin America--History [1] |
| Latin America--History--Sources--Bibliography--Catalogs [5] |
| Latin America--History--Sources--Bibliography--Catalogs--Indexes [1] |
| Lee, Robert E. (Robert Edward), 1807-1870 [1] |
| León (Guanajuato, Mexico)--Description and travel [1] |
| Lima (Peru)--Description and travel [1] |
| Lincoln, Abraham, 1809-1865 [1] |
| Literature, Medieval [1] |
| Long Branch (N.J.)--Description and travel [1] |
| Lord & Taylor [1] |
| Los Angeles (Calif.)--Description and travel [1] |
| Louisiana Purchase [1] |
| Louisiana--History--1803-1865--Sources--Bibliography--Catalogs [1] |
| Louisiana--History--To 1803--Sources--Bibliography--Catalogs [1] |
| Lousiana--History--1803-1865--Sources--Bibliography--Catalogs [1] |
| Love [1] |
| Luray Caverns (Va.) [1] |
| Magdalena (Colombia : Dept.) [1] |
| Man-woman relationships [1] |
| Managua (Nicaragua)--Description and travel [1] |
| Manhattan (New York, N.Y.) [1] |
| Manhattan (New York, N.Y.)--Description and travel [1] |
| Manitou Grand Caverns (Colo.) [1] |
| Mantilla, Luis Felipe, 1833-1877 [1] |
| Manzanilla Bay (Mexico) [1] |
| Mapuche Indians [1] |
| Marin de Solar, Mercedes, 1804-1866 [1] |
| Mariscal, Ignacio, violoncellist [1] |
| Markets--New York--New York [1] |
| Marriage [1] |
| McKeesport (Pa.)--Description and travel [1] |
| Memorial Day [1] |