Austrian Reports on Gravitation 'Austrian Reports on Gravitation' is a series of papers concerning topical problems on gravitation theory. http://meineseite.i-one.at/arg/

Theoretical Physics Presents and reviews Relativity Theory, Quantum Physics, and Cosmogical concepts. http://webpages.charter.net/tjbesmer/Default

Living Reviews in Relativity A peer-refereed, solely online physics journal publishing invited reviews covering all areas of relativity research. Published by the Max Planck Institute for Gravitational Physics (Albert Einstein Institute), Potsdam, Germany. http://relativity.livingreviews.org/

qr-qc: General Relativity and Quantum Cosmology Los Alamos E-Print Archive http://arxiv.org/archive/gr-qc/

Inertia Manipulation Through Metric Patching Presents the exact solution for the stress-energy tensor of a spherical matter shell of finite thickness that will patch together different metrics at the boundaries of the shell. http://arxiv.org/abs/gr-qc/0106003

Classical and Quantum Gravity A journal for physicists, mathematicians and cosmologists working in the fields of gravitation and the theory of spacetime. (via IOP Publishing: Electronic Journals) http://www.iop.org/EJ/journal/CQG

General Relativity: MT 2003 Introductory course on General Relativity http://www.maths.ox.ac.uk/~nwoodh/gr/