Roberts, Joseph, Junior Report of a Committee of the American Philosophical Society on Astronomical Observations American Philosophical Society. Committee on Astronomical Observations.; Bache, A. D.; Roberts, Joseph, Junior; Lukens, Isaiah [Publisher not identified] [1834] Read more about Report of a Committee of the American Philosophical Society on Astronomical Observations
Report of a Committee of the American Philosophical Society on Astronomical Observations American Philosophical Society. Committee on Astronomical Observations.; Bache, A. D.; Roberts, Joseph, Junior; Lukens, Isaiah [Publisher not identified] [1834] Read more about Report of a Committee of the American Philosophical Society on Astronomical Observations