In a New York restaurant: “Customers who consider our waitresses uncivil ought to see the manager.”On the wall of a Baltimore estate: “Trespassers will be prosecuted to the full extent of the law.-Sisters of Mercy”On a long-established New Mexico dry cleaners: “38 years on the same spot.”In a Los Angeles dance hall: “Good clean dancing every night but Sunday.”In a Florida maternity ward: “No children allowed.”