Garden/Plant History & Folklore:
- Botanical On Line
- Garden History Links
extensive list and links of gardens and garden history resources by Edwinna von Baeyer
- Horizon Books
Rare and Out of Print Books on Gardening
A dynamic growing Organization riddhionline.com established in 2009 and engaged in marketing of quality books specifically related to medicinal plants.
- The Prairie Garden
The Prairie Garden is a small, soft-covered book published annually by a volunteer committee consisting of about 20 or so members.
- Winsford Walled Garden
Large site of an historic walled flower garden restored by family. Full of detailed info on Victorian history, gardening and restoration.