The David Library of the American Revolution is a great resource for students, historians, and genealogists. It is a non-profit educational institution dedicated to the collection and dissemination of information about the American Revolution as well as related topics of history during that period of American history, and the support of related educational programs and scholarly research.
The David Library is primarily an in-person resource. Anyone who wishes to use the Library's resources will need to visit in person at Washington Crossing, Pennsylvania, not far from Trenton, New Jersey. None of the Library's holdings have been digitized, other than the Library's catalog. The David Library is a “non-circulating” library. Patrons must use Library's resources onsite. The collection includes more than 10,000 reels of microfilm, 6,500 books and 2,000 pamphlets. As stated on the David Library's home page:
"Here you will find almost all the basic primary sources on the Revolution, including materials, such as many documents microfilmed at the British Archives, found no where else in this country. And you will find this material in one building, serviced by a small but highly knowledgeable staff that has no other objective than to assist its users in learning about the broad era of the American Revolution."
The David Library's catalog has been digitized and is available at: http://18.104.22.168/D90002/OPAC/Index.aspx.
You can learn more at the David Library home page at http://www.dlar.org/ and especially at the Library's FAQ page at http://www.dlar.org/faqs.htm.
My thanks to newsletter reader Everett Stonebraker for telling me about this great resource.