Thompson, G.B., 1937. The parasites of British birds and mammals.  XII.  On some parasites from the burrows of puffins. Entomologist?s Monthly Magazine 73: 87-88., p.496.

Thompson, G.B., 1937. The parasites of British birds and mammals.  XIII.  Records of Siphonaptera bred from birds? nests. Entomologist?s Monthly Magazine 73: 105-107., p.497.