1. Sopra una nuova categoria di soluzioni periodiche nel problema dei tre corpi [Annali di Matematica, Series III, Vol. XIII (1907), pp. 179–202].
2. An integrable case in the restricted problem of three bodies [Astronomical Journal, Nos. 625–626 (1911)].
3. Isosceles-triangle solutions of the problem of three bodies. Periodic Orbits, Chapter X,F. R. Moulton and Collaborators. Carnegie Institution of Washington, Publication 161.
4. Orbits asymptotic to an isosceles-triangle. solution of the problem of three bodies. Proceedings of the London Mathematical Society, Ser. 2, Vol. 17, Part I, pp. 54–74.
5. Oscillations near one of the isosceles-triangle solutions of the three body problem [1. c. 4), Series 2, Vol. 14 (1914), pp. 278–300].