Computation of several cyclotomic Swan subgroups. - Timothy Kohl; Daniel R. Replogle (Math. Comput., 2002)

Cyclotomic Swan subgroups and primitive roots. - Timothy Kohl; Daniel R. Replogle (Finite Fields Their Appl., 2005)

Characteristic subgroup lattices and Hopf-Galois structures. - Timothy Kohl (Int. J. Algebra Comput., 2019)