Shishida, Fumiaki (January 2002). "Aikido". Aikido Journal. Berkeley, CA: Shodokan Pub. ISBN0-9647083-2-9. Archived from the original on 26 September 2007.
Pranin, Stanley (2006). "Tohei, Koichi". Encyclopedia of Aikido. Archived from the original on 7 August 2007.
Pranin, Stanley (2006). "Jumbi Taiso". Encyclopedia of Aikido. Archived from the original on 16 October 2007.
Pranin, Stanley (2008). "Ikkyo". Encyclopedia of Aikido. Archived from the original on 26 August 2014.
Pranin, Stanley (2008). "Yonkyo". Encyclopedia of Aikido. Archived from the original on 22 January 2008.
Pranin, Stanley (2008). "Kokyunage". Encyclopedia of Aikido. Archived from the original on 22 January 2008.
Pranin, Stanley (2008). "Juji Garami". Encyclopedia of Aikido. Archived from the original on 22 January 2008.
Pranin, Stanley (2008). "Kaitennage". Encyclopedia of Aikido. Archived from the original on 22 January 2008.
Amdur, Ellis. "Irimi". Aikido Journal. Archived from the original on 17 October 2007.
Aikido and injuries: special report by Fumiaki Shishida Aiki News 1989;80 (April); partial English translation of article re-printed in Aikido Journal "Aikido and Injuries: Special Report". Archived from the original on 12 October 2007. Retrieved 1 September 2007.
Oomoto Foundation (2007). "The Teachings". Teachings and Scriptures. Netinformational Commission. Archived from the original on 13 August 2007. Retrieved 14 August 2007.
Oomoto Foundation (2007). "The Teachings". Teachings and Scriptures. Netinformational Commission. Archived from the original on 13 August 2007. Retrieved 14 August 2007.
Shishida, Fumiaki (January 2002). "Aikido". Aikido Journal. Berkeley, CA: Shodokan Pub. ISBN0-9647083-2-9. Archived from the original on 26 September 2007.
Aikido and injuries: special report by Fumiaki Shishida Aiki News 1989;80 (April); partial English translation of article re-printed in Aikido Journal "Aikido and Injuries: Special Report". Archived from the original on 12 October 2007. Retrieved 1 September 2007.