Algebraic number theory : J. S. Milne , William Stein , Cambridge.

Langlands program :

Suggested first reading : Langlands  conjectures for GL(n) by James W. Cogdell.

Other texts by Cogdell : Analytic theory of L-functions for GL(n) , Dual groups and Langlands functoriality.

Gérard Laumon : La correspondance de Langlands sur les corps de fonctions, d'après Laurent Lafforgue, exposé Bourbaki.

Edward Frenkel : Recent Advances in the Langlands Program.

The work of Robert Langlands at UBC Sun SITE : main page , bibliography.

Laumon, Rapoport and Stuhler, D-elliptic sheaves and the Langlands correspondence, Inventiones mathematicae, Volume: 113, 217-338, 1993.

Laurent Berger and Christophe Breuil, Towards a p-adic Langlands programme.

Marie-Noëlle Panichi.

Laurent Lafforgue, La théorie de Galois et l'arithmétique, Images des Mathématiques 2004, CNRS.

Biographies of mathematicians at University of St Andrews, Scotland : Weil, Grothendieck, Langlands. Grothendieck Circle.

Comme Appelé du Néant--As If Summoned from the Void: The Life of Alexandre Grothendieck, by Allyn Jackson, Notices of the AMS, October 2004, Volume 51, Number 9. Second part.

KONTSEVICH M., ZAGIER D.: Periods. Date: 5/2001. Ref.: IHES/M/01/22.

Bhargav Bhatt's Book Archive.

Connes, Noncommutative Geometry and the Riemann zeta function, PDF , PS .