[Dixielandjazz] Fats & white musicians (was Early recordings by "Black bands")

[Bill Haesler]

Marek Boym wrote: 
> On the other hand, some white musicians hired to record with Fats would not sit in the same room with himand grumbled about having to work "with that nigger" (in the depression days when any gig should have been welocme).

Dear Marek,
I have never heard that story.
Where did it come from?
Kind regards,
Bill.