Global Boston is a website that focuses on the history of immigration in Boston, including surrounding cities.  It is  overseen by Marilyn Johnson, a professor of history at Boston College.   I have found the website to be extremely helpful for learning about immigration in New England especially.  Pages include various eras of migration, spotlights on major ethnic groups, the history of various sections of the city of Boston and surrounding towns (including Lynn), and also information on obstacles and resistance to immigration over the years.   There are also sample lessons for school teachers!   I love this website.  Check it out at www.globalboston.bc.edu.