Washington, G., Adams, J., Jefferson, T., Elwyn, A. L., & Langdon, J. (1880). Letters by Washington, Adams, Jefferson, and others: Written during and after the Revolution, to John Langdon, New Hampshire. Philadelphia: Press of H.B. Ashmead.

Washington, George, John Adams, Thomas Jefferson, Alfred Langdon Elwyn, and John Langdon. Letters By Washington, Adams, Jefferson, and Others: Written During and After the Revolution, to John Langdon, New Hampshire. Philadelphia: Press of H.B. Ashmead, 1880.

Washington, George, et al. Letters By Washington, Adams, Jefferson, and Others: Written During and After the Revolution, to John Langdon, New Hampshire. Philadelphia: Press of H.B. Ashmead, 1880.