1. Dual models for non-hadrons
2. Connection of Dual Models to Electrodynamics and Gravidynamics
3. M. Kaku and K. Kikkawa, CUNY preprint, Phys. Rev. D, to be published;
4. J.L. Gervais and E. Cremmer, private communication.
5. L.D. Faddeev and V.N. Popov, Kiev report No. IT-67-36, unpublished.