ABC Directory : Science : Math : Number Theory : Education :

http://www.fen.bilkent.edu.tr/~franz/LN.html

A Collection of Lecture Notes

Various topics by Franz Lemmermeyer.
http://www.fen.bilkent.edu.tr/~franz/LN.html

http://www.ied.edu.hk/has/webauth/stec98/ngyk/

A Self-learning Package in Elementary Number Theory

By Yui-Kin Ng, King-Shun Leung and Yiu-Kwong Man: Hong Kong Institute of Education. Report on the design and implementation.
http://www.ied.edu.hk/has/webauth/stec98/ngyk/

$http://www.jmilne.org/math/$

Course Notes by Jim Milne

Algebraic number theory, Class field theory, Algebraic Geometry, Elliptic Curves, Modular functions and forms, Abelian varieties, Etale Cohomology. TeX, DVI, PS and PDF.
http://www.jmilne.org/math/

http://www.maths.ex.ac.uk/~NPByott/teaching/oldNT.html

Elementary Number Theory

Lecture notes by Nigel Byott, University of Exeter (DVI,PDF,PS).
http://www.maths.ex.ac.uk/~NPByott/teaching/oldNT.html

http://www.maths.nott.ac.uk/personal/ibf/courses.html

Elementary and Algebraic Number Theory

Course Notes by Ivan Fesenko, University of Nottingham. PS, PDF.
http://www.maths.nott.ac.uk/personal/ibf/courses.html

http://www.maths.mq.edu.au/~wchen/lndpnfolder/lndpn.html

Elementary and Analytic Number Theory

Lecture notes by William Chen, used at Imperial College, University of London (PDF).
http://www.maths.mq.edu.au/~wchen/lndpnfolder/lndpn.html

$http://www.math.mun.ca/~drideout/$

Introductory Number Theory

Lecture Notes by Don Rideout, Memorial University of Newfoundland. PDF and Maple worksheets.
http://www.math.mun.ca/~drideout/

http://services.spd.dcu.ie/johnbcos/Courses.htm

Lecture Notes by John Cosgrave

Courses in Number Theory at St Patrick's College, Dublin.
http://services.spd.dcu.ie/johnbcos/Courses.htm

Math Courses at UIC

Course handouts, lesson plans, and other resources compiled by Dan Bernstein.
http://cr.yp.to/courses.html

http://marauder.millersville.edu/~bikenaga/numth/numnote.html

Notes on Elementary Number Theory

By Bruce Ikenaga, Millersville University (PS).
http://marauder.millersville.edu/~bikenaga/numth/numnote.html

$http://www.math.umn.edu/~garrett/m/$

Paul Garrett's Lecture Notes

With exercises and course material. Topics include Algebraic Number Theory; Automorphic (Modular) Forms, Representations, L-functions.
http://www.math.umn.edu/~garrett/m/

$http://archives.math.utk.edu/ICTCM/abs/10-P9.html$

Using Mathematica in a Course on Number Theory

By Kenneth Kramer, Queens College (CUNY). Abstract with text in PDF.
http://archives.math.utk.edu/ICTCM/abs/10-P9.html