If you have the time to read all through it - I do not know of a better source:
http://www.jazzdiscography.com/Artists/Blakey/chron.htm
From that web page:
"When I had Joanne Brackeen in the band, we were playing down South. This was in Georgia or somewhere. This guy came up and said, 'Hey, there, Mr. Blakey. You know you got a white gal in the band!' I said, 'No shit, I have to check it out. I thought I had a piano player!'" - Art Blakey, Jazz Magazine, Winter 1979, p.46.