An un-named Miami-area bar tried to make light of the hostile anti-gay atmosphere in the 1950s by posting the following set of sarcastic rules for its patrons to follow. They were published in One Magazine in 1955.
14. Any male customer caught buying a beer for another male customer will have to buy a beer for the barmaid too so that the management will know that the man customer is of high moral character and not one of those characters.
15. Please do not be offended if we do not serve you. Here are but a few of the people we could not serve if they were able to patronize us : Socrates, Wilde, Proust, Da Vinci, Michelangelo, Queen Christina, Lord Tennyson etc. and far on into the night.