100.000+ autores registrados con U · página 142
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| Soviet Union. Posolʹstvo (U.S.) | — |
| Space and Missile Systems Organization (U.S.) | — |
| Space Environment Services Center (U.S.) | — |
| Space Industry Trade Mission (U.S. | — |
| Space Industry Trade Mission (U.S.) | — |
| Space Policy Advisory Board (U.S.) | — |
| Space Station Freedom Program (U.S.) | — |
| Space Telescope History Project (U.S.) | — |
| Spain. Legacio n (U.S.) | — |
| Spain. Legación (U.S.) | — |
| Spain. Legación (U.S.). | — |
| Spain. Legación (U.S.) | — |
| Spain. Legación (U.S.). | — |
| Spain. Ministero Plenipotenciario (U.S.) | — |
| Spartacist League of the U.S. | — |
| Special Diabetes Program for Indians (U.S.) | — |
| Special Education Programs (U.S.) | — |
| Special Inspector General for Afghanistan Reconstruction (U.S.) | — |
| Special Inspector General for the Troubled Asset Relief Program (U.S.) | — |
| Spinners (Musical group : U.S.) | — |
| Spinoff Program Office (U.S.) | — |
| Sport Fishing and Boating Partnership Council (U.S.) | — |
| Springfield Armory (U.S.) | — |
| Sprinkler Irrigation Association (U.S.) | — |
| Sprinkler Irrigation Association (U.S.) | — |
| ST ScI-GSFC Workshop on Ultra-Hot Plasmas and Electro-Positron Pairs in Astrophysics (1989 Space Telescope Science Institute (U.S.)) | — |
| Staff Department of Labor (U.S.) | — |
| Standards for Introductory College Mathematics Project (U.S.). | — |
| U.S. Standards, National Bureau of. | — |
| U.S. Standards, National Bureau of. | — |
| U.S. Standards, National Bureau of. | — |
| Stanislaus National Forest (Agency : U.S.) | — |
| State and Local Government Labor-Management Committee (U.S.) | — |
| State and Local Government Research Program (U.S.) | — |
| State and Territorial Air Pollution Program Administrators (U.S.) | — |
| State Court Processing Statistics (Program : U.S.) | — |
| State Dept. (U.S.) | — |
| State Education Leaders Delegation (U.S.) | — |
| State-Federal Crop and Livestock Reporting Service (Minnesota and U.S.) | — |
| State Health Insurance Assistance Program (U.S.) | — |
| State Higher Education Executive Officers (U.S.) | — |