Pre-print list on 2-Form Gravity, G2 Holonomy, Topological M-Theory, etc

Duality and Fibrations on G_2 Manifolds,
by Sergei Gukov, Shing-Tung Yau & Eric Zaslow (3/02)
Topological M-theory as Unification of Form Theories of Gravity,
by Robbert Dijkgraaf, Sergei Gukov, Andrew Neitzke & Cumrun Vafa (11/04)
Stable forms and special metrics,
by Nigel Hitchin (7/01)
Langlands duality and G2 spectral curves,
by Nigel Hitchin (11/06)
Gauge Theory, Ramification, And The Geometric Langlands Program,
by Sergei Gukov & Edward Witten (12/06)
Gravitational Instantons and Moduli Spaces of Topological 2-form Gravity,
by Mitsuko Abe, Akika Nakamichi, Tatsuya Ueno (8/94)
The Wess-Zumino term for a harmonic map,
by Nigel Hitchin (8/00)

and more tangible developments

Dynamically broken Anti-de Sitter action for gravity,
by Romualdo Tresguerres (04/08)
Einstein-Cartan Theory,
by Andrzej Trautman (06/06)
The Higgs sector of gravitational gauge theories,
by M. Leclerc (02/05)
On Gauge Aspects of Gravity
by Gronwald & Hehl (02/96)
Gauge Gravitiation Theory from the Geometric Viewpoint,
by Gennadi A. Sardanashvily (2/06)