A student's guide to general relativity by Gray, Norman 1964-

Available for University of the Philippines Diliman College of Engineering via eTextbooks under Cambridge Platform. Click here to access

Einstein's Italian mathematicians Ricci, Levi-Civita, and the birth of general relativity by Goodstein, Judith R.

Available for University of the Philippines Diliman via EBSCO. Click here to access
Also available remotely for University of the Philippines Diliman via EBSCO. Click here to access thru EZproxy

Gravity Newtonian, post-Newtonian, relativistic by Poisson, Eric, Will, Clifford M.

Mass and motion in general relativity

Available for University of the Philippines Diliman via SpringerLink. Click here to access

Vedute e problemi attuali in relativitáa generale lectures given at the Centro Internazionale Matematico Estivo (C.I.M.E.) held in Sestriere (Torino), Italy, July 20-30, 1958

Available for the University of the Philippines Diliman via SpringerLink. Click here to access

Relativita generale lectures given at the Centro Internazionale Matematico Estivo (C.I.M.E.), held in Salice d'Ulzio (Torino), Italy, July 16-25, 1965

Available for University of the Philippines Diliman via SpringerLink. Click here to access

Mass and motion in general relativity

Numerical relativity solving Einstein's equations on the computer by Baumgarte, Thomas W.

Mathematical problems of general relativity I by Christodoulou, Demetrios 1951-

A relativist's toolkit the mathematics of black-hole mechanics by Poisson, Eric 1965-