Concentrating heavily on the 19th century, Immigration to the United States, 1789-1930, includes approximately 1,800 books and pamphlets as well as 6,000 photographs, 200 maps, and 13,000 pages from manuscript and archival collections. By incorporating diaries, biographies, and other writings capturing diverse experiences, the collected material provides a window into the lives of ordinary immigrants

" Each year this project compiles a history of Mexican migration to the U.S. based on interviews conducted in Mexico during the winter. Topics include employment, earnings, and use of U.S. social services. The site features downloadable data, maps, and a list of publications. Also includes oral histories, and an online exhibit of religious folk art retablos (1900-1993). In English and Spanish. The MMP is a research effort between investigators in Mexico and the United States." (via LII)