The three articles below are from "Asian American Society: An Encyclopedia". They will give you an overview on the different waves of South Asian immigration in the U.S, the identity issues South Asians faced in their new country, and South Asian Literature in the U.S..
South Asian American Digital Archive
This archive documents, preserves and provides access to the history of the South Asian American community. You can browse the archive by themes, subjects, or time periods.
To find information on the history of a particular immigrant group in the U.S. (immigration waves, acculturation and assimilation, culture and politics, etc.), use the following reference sources.