100.000+ autores registrados con U · página 131
| — |
| U.S.-Pakistan International Workshop on Plant Nematology (1986 Karachi, Pakistan) | — |
| Pakistan. Safārah (U.S.) | — |
| Pakistan. Safārah (U.S.) | — |
| Pan American Society (U.S.) | — |
| Panama. Embajada (U.S.) | — |
| Panama. Legation (U.S.) | — |
| Panel on Communicative Disorders (U.S.) | — |
| Panel on Confidentiality and Data Access (U.S.) | — |
| Panel on Convulsive and Neuromuscular Disorders (U.S.) | — |
| Panel on Developmental Neurological Disorders (U.S.) | — |
| Panel on Developmental Neurology Disorders (U.S.) | — |
| Panel on Information Technology and the Conduct of Research (U.S.) | — |
| Panel on Research Issues in Large-Scale Computational Science and Engineering (U.S.) | — |
| Papahānaumokuākea Marine National Monument (Agency : U.S.) | — |
| Paracelsus College (U.S.) | — |
| U. S. Parachute School, Fort Benning, Ga | — |
| Parents Speak Up National Campaign (U.S.) | — |
| U.S. Paris Universal Exposition, 1889, Commission to the. | — |
| Parish Project (U.S.) | — |
| Parklawn Computer Center (U.S.) | — |
| Patent and Trademark Office (U.S.) | — |
| Patent Office Society (U.S.) | — |
| Pathé Frères (U.S.) | — |
| Payette National Forest (Agency : U.S.) | — |
| Peace Corps (U.S.). | — |
| Peace Corps (U.S.) | — |
| Peace Corps Green Team (U.S) | — |
| Pedestrian and Bicycle Information Center (U.S.) | — |
| Pentagon Library (U.S.) | — |
| People's Relief Committee for Jewish War Sufferers (U.S.) | — |
| Permanent Select Committee on Intelligence House (U.S.) | — |
| Personnel Management Training Center (U.S.) | — |
| Personnel Management Training Center (U.S.). | — |
| Personnel Management Training Center (U.S.) | — |
| Personnel Research and Development Center (U.S.) | — |
| Personnel Research Federation (U.S.) | — |
| Peru. Embajada (U.S.) | — |
| Pesticide Data Program (U.S.) | — |
| Pesticides Information Center (U.S.) | — |
| Petroleum Industry War Council (U.S.). | — |
| Petroleum Industry War Council (U.S.) | — |