M.P.P.—Member of Provincial Parliament.
Mr.—Master (pronounced Mister).
M.R.C.P.—Member of the Royal College of Physicians.
M.R.C.S.—Member of the Royal College of Surgeons.
Mrs.—Mistress.
MS(S).—Manuscript(s).
Mt.—Mount; Mountain.
Mus. B(ach).—Bachelor of Music.
Mus. D(oc).—Doctor of Music.
N.—Noon. North. Number, Noun, Neuter.