1. Inflection Circle, De la Hire,1806
2. Memoire sur un theoreme nouveau concernant les mouvement plans,1853
3. Cubic, L. Allievi, D. Biella Piana, R. Tipographia, F. Giannini and Figli, Napoli (1895).
4. Kinematics of Mechanisms;Rosenauer,1967
5. Kinematics of Mechanisms;Rosenauer,1967