J. P. Cluysenaar, Architect of King of the Belgians, Brussels.
J. W. Conrad, Chief Engineer, La Haye, Holland.
H. Courtney, Esq., 39, Alwyne-road, Canonbury-square, Islington.
Mons. Crémont, Architect, 10, Place des Vosges, Paris.
W. Cruikshank, 24, Duke-street.
A. Delaage, Architect, 6, Place de l'Oratoire du Louvre, Paris.
C. Downes, Coleshill-street, Eaton-square.
A. Durand, Moulins, France.
Mons. Dusillion, Architect, Thoune Suisse, Faubourg St. Germain, Paris.
M. G. Fétar Van Elven, Architect, Amsterdam.