Kyozan:
A True Man of Zen

by Osho

talks given live   Dec. 1988
Pune, India
book, eBook, mp3 audio, video.
see these links to other sites for availability.
Zen masters Osho talks about in this book:

name in book              Chinese pinyin

Kyozan........................Yangshan
Isan.............................Guishan
Ryusen........................Longquan
Kyogen........................Xiangyan
             oshobob  The Living Workshop                                
                                                        Osho Books