Princess Grace and Prince Rainier III of Monaco on ship - WHOI expedition event, Monaco, Dec. 1961 HEE-SC-00334 Edgerton, Harold Eugene 1961-12 ViewMonaco royal family - WHOI expedition event, Dec. 1961 HEE-SC-00323 Edgerton, Harold Eugene 1961-12 ViewThanksgiving with Princess Grace and royal family of Monaco - WHOI expedition, 1961 HEE-SC-00330 Edgerton, Harold Eugene 1961-12 ViewRoyal Family visit, Monaco - Cousteau expedition, 1963 HEE-SC-01228 Edgerton, Harold Eugene View