1. Dynamical and Hamiltonian Formulation of General Relativity by Domenico Giulini
2. Accelerating Universe: Theory versus Experiment by Moshe Carmeli
3. An Elementary Introduction to Loop Quantum Gravity by Norbert Bodendorfer
4. Metric Relativity and the Dynamical Bridge: highlights of Riemannian geometry in physics by Mario Novello, Eduardo Bittencourt
5. The Far Horizons of Time: Time and Mind in the Universe by H. Chris Ransford
6. The Gravitation Theory Review by Alexander G. Kyriakos
7. Generally Covariant Quantum Theory by Johan Noldus
8. Theory of Special Relativity by Nadia L. Zakamska
9. Schwarzschild and Kerr Solutions of Einstein's Field Equation: an introduction by Christian Heinicke, Friedrich W. Hehl
10. An Introduction to the Special Theory of Relativity by Robert Katz
11. Observers and Splitting Structures in Relativistic Electrodynamics by Bernhard Auchmann, Stefan Kurz
12. The Geometry of General Relativity by Tevian Dray
13. The Geometry of Special Relativity by Tevian Dray
14. The Confrontation between General Relativity and Experiment by Clifford M. Will
15. Getting the Measure of Einstein's Space and Time by Len Zane
16. A Theory of Gravitation in Flat Space-Time by Walter Petry
17. Test Problems in Mechanics and Special Relativity by Z.K. Silagadze
18. Special Relativity by David W. Hogg
19. A No-Nonsense Introduction to General Relativity by Sean M. Carroll
20. The Experimental Status of Special and General Relativity by Orfeu Bertolami, Jorge Paramos
21. Space - Time - Matter by Hermann Weyl
22. The Theory of General Relativity and Gravitation by Ludwik Silberstein
23. Foundations of Tensor Analysis for Students of Physics and Engineering With an Introduction to the Theory of Relativity by Joseph C. Kolecki
24. Readable Relativity by Clement V. Durrell
25. General Relativity Without Calculus by Jose Natario
26. Advanced General Relativity by Neil Lambert
27. Spacetime Geometry and General Relativity by Neil Lambert
28. From aether theory to Special Relativity by Rafael Ferraro
29. The Special Theory of Relativity by J D Cresser
30. Space: from Euclid to Einstein by Roy McWeeny
31. Introduction to Supergravity by Henning Samtleben
32. Electric and Magnetic Aspects of Gravitational Theories by Francois Dehouck
33. Quantum Einstein Gravity by Martin Reuter, Frank Saueressig
34. The Spin Foam Approach to Quantum Gravity by Alejandro Perez
35. Mass and Angular Momentum in General Relativity by J.L. Jaramillo, E. Gourgoulhon
36. Singularities and Quantum Gravity by Martin Bojowald
37. Easy Lessons in Einstein by Edwin Emery Slosson
38. An Introduction to the Theory of Relativity by L. Bolton
39. Dynamics and Relativity by David Tong
40. From Classical To Quantum Gravity: Introduction to Loop Quantum Gravity by Kristina Giesel, Hanno Sahlmann
41. Recent Developments in Gravitational Collapse and Spacetime Singularities by Pankaj S. Joshi, Daniele Malafarina
42. Quantum Gravity by Rodrigo Sobreiro
43. Introduction to Supergravity by Horatiu Nastase
44. All Spacetimes Beyond Einstein by Frederic P. Schuller
45. Emergent Models for Gravity: an overview by L. Sindoni
46. The Meaning of Relativity by Albert Einstein
47. Modern Relativity by David Waite
48. Vector Analysis and the Theory of Relativity by Francis Dominic Murnaghan
49. General Covariance and the Foundations of General Relativity by John D Norton
50. General Relativity Notes by Edmund Bertschinger

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