C.C.C.S. Colonial and Continental Church Society.
C.D. Acts. The Contagious Diseases Acts.
C.D.S.O. Companion of the Distinguished Service Order.
c.d.v. Carte-de-visite.
C.E. Civil Engineer; Canada East.
Cel. Celsius (scale of—i.e. Centigrade).
cel. Celebrated.
Celt. Celtic.
cen. Central; Century.
cent., centum=A hundred.