Official records series of the Organization of American States: guide, outline, and expanded tables.
- Washington, Pan American Union, 1961.
- v, 68 p. 28 cm.
- OAS official records ; OEA/Ser.Y/I.1-2, Rev., OAS/Ser.Y/I.3 .
- OAS official records ; OEA/Ser.Y/I.1-2, Rev., etc. .