History Resources from the Rhode Island HIstorical Society/the Smithsonian: https://www.rihs.org/education/
All sorts of Resources from the Smithsonian: https://docs.google.com/document/d/1420FmsAwFQkFkuGfQu3sghzKVfsv4KO03rIWKrrNXTc/edit
Many resources From PBS Learning: http://app.public.pbs.org/e/es.aspx?s=2143&e=1899009&elqTrackId=4acfa03ee59944bc820f01c3c535d8e3&elq=59a80872942e4d1f96cdf4a63cce78ce&elqaid=4019&elqat=1