Quantum Gravity  
   A brief explanation of the search for a quantum theory of gravity, including links to sites on topological field theories.
   http://www.maths.nott.ac.uk/personal/jwb/qg.html

Discrete Approaches to Quantum Gravity  
   The construction of a consistent theory of quantum gravity is a problem in theoretical physics that has so far defied all attempts at resolution. Reviewed here are three major areas of research: gauge-theoretic approaches; quantum Regge calculus; and the
   http://www.livingreviews.org/Articles/Volume1/1998-13loll/article.html

Numerical Quantum Gravity  
   An overview of work being done in the field of quantum gravity.
   http://pdg.cecm.sfu.ca/~warp/papers/essay/essay.html

An Introduction to Simplicial Gravity  
   Contains introductory material on quantum mechanics and relativity and outlines one method of combining the two theories.
   http://www.simscience.org/membranes/advanced/essay/quantum_grav1.html

Loop Quantum Gravity  
   A general overview of ideas, results and open problems of loop quantum gravity.
   http://www.livingreviews.org/Articles/Volume1/1998-1rovelli/

Matters of Gravity  
   An online journal with articles on advances in the theories of gravity.
   http://www.phys.lsu.edu/mog

How gravity works at microscopic scales  
   Discusses in simple terms the problem of constructing a quantum theory of gravity.
   http://www.jupiterscientific.org/sciinfo/gravity.html

Knots and Quantum Gravity  
   The book "Knots and Quantum Gravity" is the proceedings of a conference held at U.C. Riverside on May 14-16th, 1993. It is now available for free in Postscript format.
   http://math.ucr.edu/home/baez/kqg.html

Throwing Einstein for a Loop  
   A scientific american article which gives a summary of loop quantum gravity.
   http://www.sciam.com/article.cfm?articleID=0007E95C-9597-1DC9-AF71809EC588EEDF

Spin Foam Models  
   A review of the spin foam formulation of quantum gravity.
   http://arxiv.org/abs/gr-qc/0301113

How far are we from the quantum theory of gravity?  
   An assessment is offered of the progress that the major approaches to quantum gravity have made towards the goal of constructing a complete and satisfactory theory. The emphasis is on loop quantum gravity and string theory, although other approaches are d
   http://arxiv.org/abs/hep-th/0303185

QGravity.Org  
   An simple overview of current theories of quantum gravity.
   http://www.qgravity.org/

PhysicsWeb - Neutrons reveal quantum effects of gravity.  
   PhysicsWeb, A resource for physicists, PhysicsWorld, Institute of Physics, Electronic Publishing, online products and services.
   http://physicsweb.org/article/news/6/1/9

Astronomy Today - Quantum Gravity  
   Astronomy Today - Article on Gamma Ray bursts which may reveal Quantum Gravity.
   http://www.astronomytoday.com/cosmology/quantumgrav.html

Physics News Update - Quantum Gravitational States  
   Quantum gravitational states have been observed for the first time. An experiment with ultracold neutrons.
   http://www.aip.org/enews/physnews/2002/573.html

Introduction to Scalar Gravity  
   This book is an introduction to Scalar Gravity, a relativistic theory of gravity modelled with scalar fields.
   http://users.whsurf.net/paulbird/gravbook

Loop quantum gravity induced modifications to particle dynamics  
   The construction of effective Hamiltonians arising from Loop Quantum Gravity and incorporating Planck scale corrections to the dynamics of photons and spin 1/2 particles is summarized.
   http://arxiv.org/abs/hep-ph/0303189

Cosmological applications of loop quantum gravity  
   After a brief introduction to classical and quantum gravity we discuss applications of loop quantum gravity in the cosmological realm. This includes the basic formalism and recent results of loop quantum cosmology.
   http://arxiv.org/abs/gr-qc/0306008

Canonical Quantum Gravity  
   This is a summary of a talk delivered at the workshop "Quantum gravity in the Southern Cone II".
   http://arxiv.org/abs/gr-qc/9806119

Gravity as an Effective Field Theory  
   This is a pedagogical introduction to the treatment of general relativity as a quantum effective field theory.
   http://arxiv.org/abs/gr-qc/9512024

Quantum Gravity and M-Theory  
   A review of modern approaches to quantum gravity.
   http://arxiv.org/abs/gr-qc/9803065

An Ode to Effective Lagrangian  
   A brief introduction is given to the methods of effective lagrangians. The emphasis is on a summary of the overall picture, using a simple model of quantum gravity.
   http://arxiv.org/abs/hep-ph/9812470

Summary Report of the D2 Workshop  
   A review of material presented at 1998 conference on quantum cosmology.
   http://arxiv.org/abs/gr-qc/9803089

Strings, Loops and Others  
   This postscript file contains a review of the present theoretical attempts to understand the quantum properties of spacetime.
   http://arxiv.org/abs/gr-qc/9803024

Gravitational Theory  
   Views on The Directional Gravity Theory.
   http://www.ameritech.net/users/dennisreynolds1/GravitationalTheory.html

Quantum Relativity Theory of Everything  
   Preliminary look at a new approach to Relativity, Cosmology and the Quantum nature of the universe.
   http://www.becomereal.com/quantum_relativity.htm

Sir Isaac Newton: The Universal Law of Gravitation  
   Sir Isaac Newton's theroy on gravitational attraction.
   http://csep10.phys.utk.edu/astr161/lect/history/newtongrav.html

Classical and Quantum Gravity  
   A journal for physicists, mathematicians and cosmologists working in the fields of gravitation and the theory of spacetime. Abstracts, full text editorials, and freely available featured articles.
   http://www.iop.org/EJ/journal/0264-9381

Gravity Drive Engine Theory  
   A Unified Field Theory with an emphasis on gravity drive engines.
   http://www.freewebs.com/spinstate/

Max Planck Institute for Gravitational Physics  
   Institute established to pursue research in gravitational physics, especially general relativity and quantum gravity.
   http://www.aei-potsdam.mpg.de/about/index.html

Perimeter Institute for Theoretical Physics  
   International focal point of cutting-edge research in foundational theoretical physics.
   http://perimeterinstitute.ca