| 41.
| Costa Rica - Current economic position and prospects (English) | 1968/11/30 | WH185 | Pre-2003 Economic or Sector Report |
| 42.
| Costa Rica - Power and Telecommunications Projects (English) | 1969/06/30 | P729 | Memorandum & Recommendation of the President |
| 44.
| Costa Rica - Second Highway Project (English) | 1970/03/31 | PTR2 | Staff Appraisal Report |
| 45.
| Costa Rica - Second Highway Project (English) | 1970/03/31 | P786 | Memorandum & Recommendation of the President |
| 48.
| Costa Rica - Fourth Power and Third Telecommunications Projects (English) | 1972/02/29 | P1022 | Memorandum & Recommendation of the President |
| 50.
| Costa Rica - Second Agricultural Credit Project (English) | 1972/04/30 | PA125 | Staff Appraisal Report |
| 52.
| Costa Rica - Second Agricultural Credit Project (English) | 1972/05/31 | P1065 | Memorandum & Recommendation of the President |
| 53.
| Costa Rica - Highway Studies Project (English) | 1972/12/31 | P1154 | President's Report |
| 54.
| Costa Rica - Education Project (English) | 1973/05/31 | 129 | Staff Appraisal Report |
| 55.
| Costa Rica - Education Project (English) | 1973/06/30 | P1228 | Memorandum & Recommendation of the President |
| 58.
| Costa Rica - Fourth Telecommunications Project (English) | 1974/05/31 | 417 | Staff Appraisal Report |
| 59.
| Costa Rica - Fourth Telecommunications Project (English) | 1974/05/31 | P1426 | Memorandum & Recommendation of the President |
| 60.
| Costa Rica - Fifth Power Project (English) | 1975/05/31 | 719 | Staff Appraisal Report |