County Wiki | https://en.wikipedia.org/wiki/St._Clair_County,_Missouri
Populated Areas Wiki | https://en.wikipedia.org/wiki/Category:Populated_places_in_St._Clair_County,_Missouri
| Institution | City | Type |
|---|---|---|
| Appleton City Public Library | Appleton City | c |
| Saint Clair County Library | Osceola | c |
| xx | b | c |
| xx | b | c |
| xx | b | c |
| xx | b | c |
| xx | b | c |