Workbook Revised

Acknowledgement

I am deeply grateful to the following sources for knowedge and understanding:
 CHADO SAIJIKI Sanmi Sasaki.
 HAIKU R.H. Blyth.
 NEWSLETTER Urasenke, Ky6to.
 TANKC ZASSHI Tankdsha.
 CHANOYU BULLETIN Urasenke New York.
 CHANOYU BULLETIN Urasenke San Francisco.
 ENCYCLOPEDIA OF JAPAN K6dansha.