- K.E.P.N. - Key to English place names. Look at the etymology and derivation of place names in England.
- Genetics - Look at the haplogroup from two genetics studies across England.
- 1881 census surname - Find surnames in the 1881 census.
- 1881 census parish - Look at the distribution of surnames within a parish in the 1881 census.
- P.A.S. - Portable Antiqities Scheme.
