From Han Speek's Guitar Site

".. a compilation of all my notes on the DADGAD tuning, collected during many Irish music workshops, and also some that I picked up from the Internet.
At the moment it's rather short and simple: it currently contains
The chord table in text form.
A PostScript file with the corresponding chord grids. To use the PostScript file you either need a PostScript printer, or the GhostScript software, which lets you print PostScript on most other printers.
The chord grids are now also (thanks to Bill McKenty for converting them) in Adobe .PDF format, which can be viewed with the freely available Acrobat Reader.
Some useful example "chord scales"
Some theory behind chord scales, to help you find the proper chords for most keys and modes" .
- from the website