| A&I |
Arts & Industries building |
| AAA |
Archives of American Art |
| BAE |
Bureau of American Ethnology |
| CAL |
Conservation Analytical Laboratory |
| HTML |
HyperText Markup Language |
| ICOM |
International Council of Museums |
| IDB |
Inter-American Development Bank |
| IHD |
Institutional History Division |
| MARAC |
Mid-Atlantic Regional Archives Conference |
| MARC |
MAchine Readable Cataloging |
| NCP |
National Collections Program |
| NMAA |
National Museum of American Art |
| NMAH |
National Museum of American History |
| NMAI |
National Museum of the American Indian |
| NMHT |
National Museum of History and Technology |
| NMNH |
National Museum of Natural History |
| NPG |
National Portrait Gallery |
| NUS |
National Underground Storage |
| OGC |
Office of the General Counsel |
| OPMB |
Office of Planning, Management and Budget |
| OSIA |
Office of Smithsonian Institution Archives |
| RACO |
Records Administration Conference |
| RELACT |
Research, Libraries and Archives Conservation Task
Force |
| RU |
Record Unit |
| SAA |
Society of American Archivists |
| SD |
Smithsonian Directive |
| SI |
Smithsonian Institution |
| SIA |
Smithsonian Institution Archives (Archives Division) |
| SIRIS |
Smithsonian Institution Research Information System |
| USGS |
United States Geological Survey |
| USFWS |
United States Fish and Wildlife Service |
| USNM |
United States National Museum |