The theory of infinite soluble groups gan Lennox, John C., Robinson, Derek J. S.

Available for University of the Philippines Diliman via Oxford Scholarship Online. Click here to access:

The theory of infinite soluble groups gan Lennox, John C., Robinson, Derek John Scott

Available for University of the Philippines System via Oxford Scholarship Online. Click here to access.

Finite soluble groups. gan Doerk, Klaus

On products of normal supersoluble subgroups and generalisations gan Perez, Edmundo R.

On equioptimal groups gan Petalcorin, Gaudencio C. 1965-