Good morning,
Could someone indicate to me some good books/dvds that shows the Koryu's technics?
I'm looking for Katori shinto-ryu, Suio-ryu, mugai-ryu or shinkage-ryu.

I'm practicing Iaido and kendo about 4 years and my sensei its teaching to me seitei and MJER.
Here at Brazil its very dificult to find another koryu's schools.
We just have here MJER and MSR.
I know that we have here only one school that theaches Suio-ryu but its very expensive.

thank you very much
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Joćo Paulo Ribeiro Ridolfi