Correspondence with Lyman P. Duff
Correspondence with M. Chris W. Pinto
Correspondence with "Mainliner" magazine
Correspondence with Mario Baptista Coelho
Correspondence with Mario Ruivo
Correspondence with Mary Clancy
Correspondence with Mary G. Landford
Correspondence with Maxwell S. McKnight
Correspondence with May Friedman
Correspondence with members of the Swedish International Development Authority (SIDA)
Correspondence with Michael Herz
Correspondence with Mill Press Limited (Part 3 of 3)
Correspondence with Minister Jose Israel Vargas
Correspondence with M.M.K Sardana
Correspondence with M.S. Swaminathan
Correspondence with "Ocean Management" magazine
Correspondence with "Oceans" magazine
Correspondence with Oscar Arias
Correspondence with Paul Ekins
Correspondence with Paul Gottlieb
Correspondence with Peter Jankowitsch
Correspondence with Peter Lang of Verlag Herbert Lang & CIE AG
Correspondence with Peter Lang of Verlag Herbert Lang & CIE AG
Correspondence with Petroleum Press Service
Correspondence with Philip Reynolds
Correspondence with Pierre Levy
Correspondence with Professor R. Rajagopalan
Correspondence with Ramaswamy Mani
Correspondence with René Dubos
Correspondence with René Jean Dupuy
Correspondence with Ricardo Diez-Hochleitner
Correspondence with Richard Bells
Correspondence with Richard Buffum
Correspondence with Ritchie Calder
Correspondence with Robert B. Kreuger
Correspondence with Robert "Bob" Rosen
Correspondence with Rod B. Byers
Correspondence with Ronald St. John Macdonald
Correspondence with Ronald St. John Macdonald
Correspondence with Rudy Putns (McMaster University, Faculty of Health Sciences)
Correspondence with S. Fischer Verlag
Correspondence with Salvano Briceno
Correspondence with Salvino Busuttil
Correspondence with Shigeru Oda
Correspondence with Sidney Holt
Correspondence with Sidney J. Holt
Correspondence with Sir John Kendrew
Correspondence with S.P. Jagota, Indian mission to the United Nations
Correspondence with Stjepan Keckes
Correspondence with Su Jilan
