0 written abbreviation used to show when someone has signed a document for a person who is not available to sign it:
1 written abbreviation for pages:
2 abbreviation for pages:
There is a detailed discussion on pp. 101–123.
3 written abbreviation for pages: used to refer to particular pages in a book or document:
see pp 56-58
4 written abbreviation for per pro: written in front of a person's name when you sign a letter or document for them:
Yours faithfully, Chris Turner, pp Rebecca Collings