About.com: Amish 101: History, religious beliefs, and social customs.
Background Dynamics of Amish Movement: Scholarly article by Leonard Gross on the history of the Amish.
National Committee For Amish Religious Freedom: Committee of non-Amish individuals working to preserve religious freedom for the Old Order Amish. Site includes information on the Amish including a question and answer feature and articles on a 1972 court case.
The Amish: A quick look at their history and beliefs.
The Amish: Includes a profile of the Amish, links with abstracts, a print bibliography, and video materials. Part of the Religious Movements site of the University of Virginia.
The Old Order Amish: To Remain in the Faith or to Leave: Scholarly paper discussing research on Amish youth in northeast Indiana and their decisions regarding church membership. Attempts to identify factors more likely to lead to defection from the church.