Castilla y Leon, Junta de
Castro Voces, Antonio
Celeiro Álvarez, Luís (trans. and "lightly revised" Dennett, Laurie)
Centro Nacional de Información Geografica
Charles, Art
Chimenti, Wayne
Cierbide, Ricardo
Clapham, Sir Alfred (A.W.)
Clark III, John H.
Clark, S.C.