Binary Cubic Forms and Cubic Number Fields  
   Activated text by Henri Cohen.
   http://www.cecm.sfu.ca/organics/papers/hcohen/index.html

Cyclotomic Fields Virtual Study Group  
   A group of people studying L. Washington : `Introduction to cyclotomic fields', Graduate Texts in Mathematics 83, Springer Verlag.
   http://www.math.uio.no/~paularne/

Discriminant Exponent Calculator  
   Java applet computing the maximum exponent of a prime in the discriminant of a number field of given degree.
   http://www.public.asu.edu/~jjones/java/discrimexpo.html

Notes for Dick Gross' Algebraic Number Theory Course  
   Taken by Sean Sather-Wagstaff, Utah, Spring 1999. In PS and PDF formats.
   http://www.math.uiuc.edu/~ssather/MATH/notes.html

Quadratic Fields Research  
   Notes by Richard Mollin.
   http://www.math.ucalgary.ca/~ramollin/research2.html

Galois Groups and Greenberg's Conjecture  
   Ph.D. thesis by David C. Marshall, University of Arizona, 2000.
   http://icarus.math.mcmaster.ca/marshall/dis.html

Seminar in Algebra and Number Theory  
   Lecture notes by Jerome Huffman (TeX,DVI,PDF).
   http://www.math.lsu.edu/~hoffman/

Algebraic Number Theory  
   Mailing list addresses and subscription instructions.
   http://www.lsoft.com/scripts/wl.exe?SL1=ALGEBRAIC-NUMBER-THEORY&H=LISTSERV.UIUC.EDU

Multiplicities of Discriminants  
   Formulae and tables for the number of non isomorphic fields with a fixed signature and Galois group sharing a common discriminant.
   http://www.algebra.at/multi.htm

Algebraic Number Theory and Automorphic L-functions  
   Lecture notes by Ching-Li Chai, University of Pennsylvania.
   http://www.math.upenn.edu/~chai/coursenotes.html

Class Field Theory  
   Lecture notes by Kiran Kedlaya, UC Berkeley, Spring 2002.
   http://www-math.mit.edu/~kedlaya/math254b.html

A Brief Introduction to Classical and Adelic Algebraic Number Theory  
   By William Stein. Text in HTML/DVI/LaTeX/PDF/PS.
   http://modular.fas.harvard.edu/papers/ant/