File contains correspondence with the Commission of the European Communities, Rallph Collier, Consumers Union of US Inc., Centre d'Architecture de la Mer, Jerrgen Claus, Mae Cullin, Rafael Castello-Valdis, Ray Canterbury, Jonathan Charney, CBS, Nigel Calder (on "The Blue Revolution"), Michelle Canterella, and "Conjunctions."

File contains correspondence between Elisabeth Mann Borgese and the following individuals: Sanjay Chaturvedi; Richard V. Carter; Dr. Hans Corell; Lucien Chabason (on the Regional Seas Programme); Krista Singleton-Cambage; Peter Cramer (concerning Thomas Mann); Pietro Carrigliol; Kevin Coady (concerning the death of one of Mann Borgese's dogs); Christopher Corkett (critiquing one of Mann Borgese's talks); Aldo Chircop; Dr. Edward Carr; Senator Alan Cranston; Christo and Jean Claude (outgoing only, includes prints of various art installations); Liara Covert; Winifred Caponigri; Rideau Hall; Pluto Press; Senator Alan Cranston; Ignacio Perez Caldentey; Fernando Henrique Cardoso (President of Brazil); Sergio D. Claure; Dr. Maria della Costa; Richard V. Carter; Erksine Childers; Professor Jonathan Charney; Judge Maurice Caruana Curran (Chancellor of University of Malta); Arthur H. Campeau; H. Reuben Cohen (Chancellor of Dalhousie); Elisabeth Cyran; Hon. David Coore; Ana Luisa Cortez; Frederick Clairmonte; Ingvar Carlsson (Prime Minister of Sweden); and others. Also includes copies of the following papers: "The Training Programme of the International Ocean Institute" by Elisabeth Mann Borgese; "Professionalization of the Field of Marine Affairs" by Aldo Chircop; "NATO's War of Aggression Against Yugoslavia: An Overview by Michel Chessudovsky. Some correspondence may be personal.