North American Immigrant Letters, Diaries, and Oral Histories This link opens in a new windowNorth American Immigrant Letters, Diaries, and Oral Histories includes personal narratives, autobiographies, oral histories, and several thousand pages of Ellis Island Oral History interviews, indexed and searchable. The materials begin around 1840 and extend to the present, focusing heavily on the period from 1920 to 1980. In selected cases, users can choose to hear the actual audio voices of the immigrants or view images of their scrapbooks.