| Y 3.J 23 | Jamestown-Williamsburg-Yorktown Celebration Commission (1953) |
| Y 3.J 27 | Japan-United States Friendship Commission (1975- ) |
| Y 3.J 66 | Joint Publications Research Service (1949-1979) |
| Y 3.J 66/2 | Joint Research and Development Board (1946-1947) |
| Y 3.J 98 | Interdepartmental Council to Coordinate All Federal Juvenile Delinquency Programs (1973-?) |
