The advice of W.P. to Mr. Samuel Hartlib for the advancement of some particular parts of learning - Petty, William, Sir, 1623-1687.; Hartlib, Samuel, -1662. (London : [s.n.], 1647)
Written by W. Petty. Cf. Halkett & Laing (2nd ed.).
Reproduction of original in Harvard University Libraries.
Wing
Microfilm.
Keywords: Learning -- Early works to 1800.