Although aerobatics have never been an official part of the Olympic competition, in 1936 there was a significant range of surrounding events as aviation was being heavily promoted by the host nation. Laudable though that may have been in that fascinating era of aviation development, there was in fact a darker reason - the host was Nazi Germany.
I think because of this dubious agenda, little seems to have been published that is reliable on the aviation events then. While much of the Nazi era has been dissected and examined since, overcoming the period propaganda, this does not seem to be the case in this aspect of aviation, which is a pity, given what must really have happened would be interesting, and pretty much a unique conjunction of aviation and the Olympics - albeit tarnished with the Nazi's 'perverted science'.
(Thanks to Brad O for the pointer to the image.)