Shortgrass Library System was created in 1988.
Metropolitan Library System was created in 1966.
Peninsula Library System was created in 1971.
Massachusetts Library System was created in 2010.
Bay County Library System was created in 1974.
King County Library System was created in 1942.
Twin Lakes Library System was created in 1938.
Library System of Lancaster County was created in 1987.
Pierce County Library System was created in 1946.
Orange County Library System was created in 1923.
Riverside County Library System was created in 1911.
Sno-Isle Regional Library System was created in 1944.
Palm Beach County Library System was created in 1967.