| 6 September 1952 |
19 August 1954 |
Protocol 3 annexed to the Universal Copyright Convention concerning the Effective Date of Instruments of Ratification of Acceptance of or Accession to that Convention |
| 6 September 1952 |
16 September 1955 |
Universal Copyright Convention |
| 6 September 1952 |
16 September 1955 |
Protocol 2 annexed to the Universal Copyright Convention concerning the Application of that Convention to the Works of certain International Organizations |
|
1 October 1952 |
International Sanitary Regulations adopted by the World Health Assembly on May 25, 1951 |