Nobuyoshi Tamura Sensei
8th Dan Shihan, Aikikai

Nobuyoshi Tamura was a favorite uke of O'sensei.
In this video he demonstrates tai-jutsu, tanto dori, jo,
and randori. Check out the tanto-dori Ikkyo at 2:45.

Aikido - Etiquette and Transmission
A book by Tamura Sensei available free online.