1. Lower bounds on the 2-class number of the 2-Hilbert class field of imaginary quadratic number fields with elementary 2-class group of rank 3;Benjamin;Houston J. Math.,1996
2. Structure and Order Properties of the Hilbert 2-Class Field of Quadratic Number Fields;Benjamin,1996
3. Real quadratic fields with Abelian 2-class field tower;Benjamin;J. Number Theory,1998
4. Capitulation in unramified quadratic extensiuons of real quadratic number fields;Benjamin;Glasgow J. Math.,1994
5. Class numbers of real quadratic number fields;Brown;Trans. Amer. Math. Soc.,1974