General Relativity
books
Gravitation
by C.W. Misner, K.S. Thorne, J.A. Wheeler (W.H.Freeman and Comp., San Francisco, 1973)
Introduction to General Relativity
by R. Adler, M. Bazin, M. Schiffer (McGraw-Hill, 1965)
General Relativity
by R.M. Wald (Univ. of Chicago Press, 1984)
General Theory of Relativity
by P.A.M. Dirac (Wiley Interscience, 1975)
Gravitation and Cosmology: Principles and Applications of the General Theory of Relativity
by S. Weinberg (J. Wiley & Sons, 1972)
The large scale structure of space-time
by S.W. Hawking and G.F.R Ellis (CUP, 1973)
Introducing Einstein's Relativity
by Ray A. d'Inverno (Oxford University Press, 1992)
A First Course in General Relativity
by Bernard F. Schutz (Cambridge University Press, 1985)
reviews
Lectures on General Relativity
by G. 't Hooft (pdf, 59 pages, 2002)