Papers of the Continental Congress, 1774-1789, Govt Index GS 4.20:247/2 and online from HathiTrust. Describes microform collection (M247) of letters, documents, and proceedings of the delegates to the Continental Congress. The collection is from RG 360 at the National Archives and Records Administration.
Chiorazzi, Michael G., and Marguerite Most. Prestatehood Legal Materials: A Fifty-State Research Guide, Including New York City and the District of Columbia. Law Librarianship. 2 vols. New York: Haworth Information Press, 2005.
Available in HeinOnline.
Thorpe, Francis Newton. The Federal and State Constitutions, Colonial Charters, and Other Organic Laws of the States, Territories, and Colonies Now or Heretofore Forming the United States of America;
Compiled And Edited Under the Act of Congress of June 30, 1906. United States. 59th Cong., 2nd Sess, H.Doc. 357 pts. 1-7, serial 5190, 5191, 5192, 5193, 5194-1, 5194-2, 5194-3. 7 vols. Washington: GPO, 1907-1909. Also available via Internet Archive and HathiTrust.
Volume 1, United States - Alabama - District of Columbia. Via HeinOnline.