| ds900.0 | U.S. AFGWC Station (Surface and Upper Air) Library |
| ds900.1 | NCDC WBAN Station Library |
| ds901.0 | NCDC COOP Station Library for Summary of Day and Hourly Precipitation |
| ds902.0 | NCAR ADP Upper Air Station History (DSS built) |
| ds904.0 | Various Station Libraries and Histories |
| ds905.0 | W.M.O. Station (Surface and Upper Air) Library (1995Nov) |