Regarding the connections to Kukishin Ryu etc, it is my understanding that Kano Sensei was the Soke of several Kobudo Ryu-ha; with the Mokuroku to prove it...Kukishin Ryu being one of them. At Karrinyup we train the Kukishin Ryu Bojutsu, Jojutsu and Naginata as Kano Sensei and Iwanaga Sensei showed it to me. Kano Sensei also had Mokuroku for Hoki Ryu Iaijutsu, Shibukawa Ryu Kenjutsu (A Yagyu-Ryu offshoot I believe) and of course the secret Takagi Ryu scrolls, which bear a striking resemblance in their execution to the traditional Yanagi-Ryu Tachi-waza and Idori-waza. There were others...