| Classification: | GRO BMD, Census, Parish Records, Pedigrees, Visitations |
| Title: | England Data from Ancestry |
| Link: | England Data from Ancestry |
| Description: | England Data Collection from Ancestry |
| Extra Info: | Includes 1861-1901 Censuses; 1837-2005 GRO BMD; visitations and other records. |
| Classification: | Parish Records, Pedigrees, Visitations |
| Title: | Hertfordshire County Data from Ancestry |
| Link: | Hertfordshire County Data from Ancestry |
| Description: | Hertfordshire County Data Collection from Ancestry |
| Extra Info: | Includes parish register extracts; Visitations of Hertfordshire, 1572 and 1634 |
| Classification: | General, National, Pedigrees |
| Title: | Landed families of Britain and Ireland |
| Link: | https://landedfamilies.blogspot.com/ |
| Description: | Research into the landowning families of the British Isles and the country houses which they owned. |
| Classification: | Pedigrees, Visitations |
| Title: | Visitations of Hertfordshire |
| Link: | https://archive.org/details/visitationsofher222732... |
| Description: | Visitations of Hertfordshire 1572 and 1634 |
| Extra Info: | Online book. Includes many pedigrees. Index at end. The Visitation of 1634 begins on page 25. Followed by some Visitations of other counties. |
