Sources:

Memorandum book, Cotton Bale Medicine Company, Helena, Arkansas, 1888. Library of Congress, http://www.loc.gov/pictures/item/2005687684/. Photoshopped. Click to enlarge. Eleven years into the Jim Crow era, it says, “FREE TO ALL.”

Television interview with former Governor Mike Huckabee of Arkansas, Face the Nation 10 May 2015. http://www.cbsnews.com/news/face-the-nation-transcripts-may-10-2015-huckabee-sanders-gingrich/