- Esther's manager also testified that Helen Kane & her manager saw baby's act somewhere between 1928-1929.
- Scholar Robert G.O' Meally said, Betty Boop herself had, as it were, a black grandmother in her backround.
- Baby Esther was presumed dead by 1934, just when the lawsuit had ended.
- Lou Bolton testified for the defense. Bolton testified that nine years ago in Chicargo he taught Baby Esther a negro child under his management to interpolate "do-do-de-do-ho-de-wa-da-de-da" between the bars of music in popular songs, which means the scat lyrics produced wasn't actually Boo Boo Boo's & Doo Doo Doo, but later adapted to Boop.