References & Blogs
Stefan Stenudd's Website
Basic techniques, glossary and much more useful information on Aikido
Svein Hatlen's Aikido Blog
Thoughts on the essence of Aikido
David Ellard's Mind & Body Movement Blog
Thoughts on the essence of practice
Aikido Blog of Guillaume Erard
Extensive information on Aikido, Daito-Ryu and Japan in general
Books
Jan Nevelius: Vaken Vila
Book by Jan Nevelius (contact author for English edition)
Diverse
Ginkgo-Budo.com
Aikido equipment
Misogi Dogi
Sustainably manufactured aikido gis