“Mayor’s Office, Pittsburgh, Sept. 18, 1856.
“Wm. W. Sanger, M.D.:
“Dear Sir,—Your favor of the 1st instant came to hand a few days ago, requesting answers to the following questions:
“1. How many houses of prostitution are there in our city?
“Answer. Nineteen.
“2. How many houses of assignation?
“Answer. Nine.
“3. How many public prostitutes?
“Answer. Seventy-seven.
“4. How many private prostitutes?