Kaluza-Klein Gravity - A review of the applications of Kaluza-Klein theories in gravity. - http://arxiv.org/abs/gr-qc/9805018
Kaluza-Klein Theory in Perspective - Talk delivered at the Oskar Klein Centenary Nobel Symposium, Stockholm, September 19-21, 1994. - http://arxiv.org/abs/hep-th/9410046
Noncommutative Kaluza-Klein Theory - A review of some of the models which have been proposed, with a special effort to keep the mathematical formalism to a very minimum. - http://www.arxiv.org/abs/hep-th/9601169