| 141.
| Costa Rica - Second Water Supply and Sewerage Project (English) | 1993/05/25 | 11440 | Staff Appraisal Report |
| 142.
| Costa Rica - Technical Assistance Loan Project (English) | 1993/06/28 | 12088 | Project Completion Report |
| 149.
| Interdisciplinary fact finding on current deforestation in Costa Rica (English) | 1993/09/30 | ENV61 | Environment Working Paper |