On Hopf Galois structures and complete groups. Childs, Lindsay N. — 2003 The New York Journal of Mathematics [electronic only]
Hopf Galois structures on degree p 2 cyclic extensions of local fields. Childs, Lindsay N. — 1996 The New York Journal of Mathematics [electronic only]
Hopf Galois structures on Kummer extensions of prime power degree. Childs, Lindsay N. — 2011 The New York Journal of Mathematics [electronic only]