1. Consistent spin-two coupling and quadratic gravitation
2. Nontrivial vacua in higher-derivative gravitation
3. Poincaré and conformal supergravity models with closed algebras
4. K. Foerger, B. Ovrut, S. Theisen and D. Waldram, Higher-Derivative Gravity in String Theory, LMUTPW 96-14, UPR-664T, HEP-TH 9605145.
5. A. Hindawi, B. Ovrut and D. Waldram, Four-Dimensional Higher-Derivative Supergravity and Spontaneous Supersymmetry Breaking, UPR-685T, HEP-TH/9511223, accepted for publication in Nuclear Physics B.