The title of Gozo Shioda's biography is
''Aikido Jinsei'' which means ''Aikido is my life''.
It was never published in english (unfortunately). But if your a member of the yoshinkan you can, see if your instructor has any of the old yoshinkan aikido magazines published awile ago.The biography is in those, there a bit of the biography in each issue of the magazine. I have all 20 of th magazines thus I have the whole biography. I would ask on instructor from the yoshinkan for the magazines, im sure the person would not mind giving you them. The guy I got them of gave them to me for free.