The encyclopedia salesman mentions "Ernie Barnes" when listing the section on famous black artists. Ernie Barnes was a former NFL player turned painter, credited with "paintings by" for the artwork painted by JJ.
Ron Glass appeared with Esther Rolle(as Florida ) in an episode of Maude . Glass's character was to fix a furnace at the Findlay's home. He became interested in Florida and was caught dancing with her by Florida's husband, Henry ( John Amos).
Fun fact-Ron Glass appeared on Maude with Esther Rolle and John Amos as a furnace repairman who flirts with Florida and caused a rift with Henry ( Amos) & Florida.