Below is a list of websites and blogs that I have found invaluable for both inspiration and research.
There’s also a few that are just good fun…

Art Materials
Jacksons Art Supplies
Cowling and Wilcox

Hand Made Paper Suppliers
Torn Edge Paper (Etsy)
Khadi Papers
Vintage Paper Co

Artist Marketing sites
These are people who offer invaluable advice on marketing your art in an online world. A great deal of the information is free but there are also some potentially useful courses that you pay for.
Dave Nevue
Cindy Hohman
Cory Huff
Empty Easel

Old Documents and Manuscripts
British Library
Queens’ Old Library Blog
Darwin Online

In addition to a number of visits to Glastonbury sparked my interest in the Goddess and here’s where I’ve continued my research:
In The Heart of the Goddess

And if you fancy a trip to Glastonbury (which I enthusiastically recommend) there’s a great guest house that I’ve stayed in a number of times called St Anne’s. It’s well located and the owner is lovely.
St. Anne’s B&B

Off to Whitby? Great idea…have a look here before you go…
The Whitby Guide
and when you’re there, pop into the Silver Street Gallery. Lots of fabulous art (including mine!)
Silver Street Gallery

Lots of fabulous Roman occupation related info:
Roman Britain
Roman Inscriptions of Britain
A History of Tartan in Europe and Galicia (useful for my Brigantia piece):