100.000+ autores registrados con U · página 135
| Public Interest Economics Foundation (U.S.) | — |
| U.S. Public Lands, Committee on (House) | — |
| Public Lands Foundation (U.S.) | — |
| Public Meeting on Genetic Engineering for Nitrogen Fixation (1977 National Academy of Sciences (U.S.)) | — |
| Public Resource Foundation (U.S.) | — |
| Public Work Reserve (U.S.) | — |
| Public Works of Art Project (U.S.) | — |
| Publishers' Board of Trade (U.S.) | — |
| Publishers' Board Of Trade (U.S.) | — |
| Publishing Office Staff National Gallery of Art (U.S.) | — |
| Quality Verification Center (U.S.) | — |
| Quartermaster Association (U.S.) | — |
| Quartermaster Food and Container Institute for the Armed Forces (U.S.) | — |
| Quartermaster Research and Engineering Center (U.S.) | — |
| Quartermaster Research & Development Center (U.S.) | — |
| Quartermaster School (U.S.) | — |
| Quivira National Wildlife Refuge (Agency : U.S.) | — |
| Radio Technical Commission for Aeronautics (U.S.) | — |
| Railroad Retirement Board (U.S.) | — |
| Railway Business Association (U.S.) | — |
| Railway Mail Association (U.S.) | — |
| Railways Executives Advisory Committee (U.S.) | — |
| Rangeland Technology Equipment Council (U.S.) | — |
| Raptor Research and Technical Assistance Center (U.S.) | — |
| RCCP National Center (Educators for Social Responsibility (U.S.)) | — |
| Reactor Physics Constants Center (U.S.) | — |
| Reanalysis Team (U.S.) | — |
| Reclamation Bureau (U.S.) | — |
| U.S. Reclamation, Bureau of. | — |
| U.S. Reclassification of Salaries, Joint Commission on. | — |
| Recreation Advisory Council (U.S.) | — |
| Recreation Advisory Council (U.S.) | — |
| Recreation Advisory Council (U.S.) | — |
| Red Rock Lakes National Wildlife Refuge (Agency : U.S.) | — |
| Redstone Arsenal (U.S.) | — |
| Reformed Church in the U.S. | — |
| Reformed church in the U.S. | — |
| Reformed Protestant Dutch Church (U.S.). | — |
| Reformed Protestant Dutch Church (U.S.) | — |
| Reformed Protestant Dutch Church (U.S.) | — |
| Regional Committee on Southern Forest Resources (U.S.) | — |