Unesco -- Latin America. / https://id.loc.gov/authorities/names/n79054523 https://id.loc.gov/authorities/subjects/sh85074879-781 : Kidder, Frederick Elwyn.
Unesco -- Officials and employees -- Taxation. / https://id.loc.gov/authorities/names/n79054523 https://id.loc.gov/authorities/subjects/sh00005024 https://id.loc.gov/authorities/subjects/sh99005245 : Unesco.