1. Supergravity superfields without a supermetric;Siegel;Harvard preprint HUTP-77/A068,1977
2. The superfield supergravity action;Siegel;Harvard preprint HUTP-77/A080,1977
3. A polynomial action for a massive, self-interacting chiral superfield coupled to supergravity;Siegel;Harvard preprint HUTP-77/A077,1977
4. A derivation of the supercurrent superfield;Siegel;Harvard preprint HUTP-77/A089,1977
5. Superspace formulation of supergravity