Carmichael Numbers and Miller-Rabin Test
- A worksheet by Professor Alexandre Borovik defines the two concepts and gives exercises to show the latter is not fooled by the former.
- http://www.maths.manchester.ac.uk/~avb/117ws9.html

MathWorld: Pseudoprimes
- Articles about many types of pseudoprimes.
- http://mathworld.wolfram.com/topics/Pseudoprimes.html

MathPages: Symmetric Pseudoprimes
- A pseudoprime type based on symmetric functions. Basic propositions and computational techniques.
- http://mathpages.com/home/kmath003/kmath003.htm

Generalized Carmichael Numbers
- Report by Ashish Kumar Singh and Surendra Kumar Pathak. (PS.GZ)
- http://www.cse.iitk.ac.in/research/btp2001/GCN.html