1. On some properties of groups whose orders are powers of primes;Burnside;Proc. London Math. Soc. (2),1912
2. The 2-class group of certain biquadratic number fields;Brown;J. Reine Angew. Math.,1977
3. The 2-class group of certain biquadratic number fields II;Brown;Pacific J. Math.,1978
4. Étude heuristique des groupe de classes des corps de nombres;Cohen;J. Reine Angew. Math.,1990
5. C. Cooper, Character tables of groups of order <100. Available at http://www.maths.mq.edu.au/~chris/chartab.htm