Mid-Hudson Library System
The Mid-Hudson Library System is a public library system in the Hudson Valley of New [York (state)|New York]. It was established in 1959 by the State of New York.
MHLS comprises libraries in five counties: Columbia [County, New York|Columbia County], Dutchess County, Greene County, Putnam County and Ulster County. The System's headquarters is in the city of Poughkeepsie.