P. S.—Post scriptum, Postscript; Privy Seal.
Ps.—Psalm or Psalms.
Pt.—Part; Pint; Payment; Point; Port.
p. t.—Post-town.
P. T. O.—Please turn over.
Pub.—Publisher; Publication; Published; Public.
Pub. Doc.—Public Documents.
p. v.—Post-village.
pwt.—Pennyweight; pennyweights.
Q.—Queen; Question.