General Topics
Library of Congress: City Life in the Late 19th Century
Library of Congress: Immigration to the United States, 1851--1900
Library of Congress: Progressive Era to New Era, 1900--1929 (multiple collections)
Immigration Issues
Digital Public Library of America: Early Chinese Immigration to the US
Digital Public Library of America: Immigration and Americanization, 1880--1930
Digital Public Library of America: Immigration Through Angel Island
Digital Public Library of America: Settlement Houses in the Progressive Era
History Matters: A Clear and Present Danger: The Chinese Exclusion Act (pamphlet from American Federation of Labor, 1902)
