Letter dated 15 October 1973 from the Deputy Minister for Foreign Affairs of the Polish People's Republic addressed to the Chairman of the First Committee (Reservation exclusively for peaceful purposes of the sea-bed and the ocean floor, and the subsoil thereof, underlying the high seas beyond the limits of present national jurisdiction and use of their resources in the interests of mankind, and convening of a conference on the law of the sea) General Assembly First Committee Twenty-eighth session (1973) Polish People's Republic Correspondence 1973-10-14 A/C.1/1035 EN