Again, if wished, the salutation might be omitted and the address made
to serve as title. Another form is this:
MR. WILLIAM H. HILL, 307 Wall Street, New York. MR. HILL:
The following form, though causing an unpleasant repetition of the
name, is often adopted in business letters to unmarried ladies,
probably to escape the problem that the choice of Miss or Madam offers
to so many: