1. K.Ambos-Spies, Anti-mitotic recursively enumerable sets, Zeitschrift f. Math. Logik u. Grundlagen d. Mathematik, to appear.
2. K.Ambos-Spies, Cupping and noncapping in the r.e. wtt and Turing degrees, to appear.
3. K.Ambos-Spies, Automorphism bases for the r.e. degrees, to appear.
4. K.Ambos-Spies and P.A.Fejer, Degree theoretical splitting properties of recursively enumerable sets, to appear.
5. K.Ambos-Spies, C.G.Jockusch, Jr., R.A.Shore and R.I.Soare, An algebraic decomposition of the recursively enumerable degrees and the coincidence of several degree classes with the promptly simple degrees, Trans. A.M.S., to appear.