Primary sources: written documents, images, maps, charts, graphs, audio and video in a collection that spans the course of American history.
Use the search box to search for Massachusetts
This is from google books. Use the search box at the top to find more Google books (print books that Google has scanned and made available free online).
Great source of clean looking icons for your project! You may need to create an account, but you can download Creative Commons icons for free. On NoodleTools, cite as Website > Photo or Image (Born Digital), giving credit to the creator.