1. M. Arkowitz: The generalized Whitehead product, Pacif. J. Math. (to be published).
2. Spaces of finite characteristic;Barratt;Quart. J. Math.,1960
3. Homotopical nilpotency;Berstein;Illinois J. Math.,1961
4. I. Berstein and T. Ganea: On the homotopy commutativity of suspensions, Illinois J. Math. (to be published).
5. Category and generalized Hopf invariants;Berstein;Illinois J. Math.,1960