What was founded by Robert Kay and is the largest public research library in the state of South Australia?
Robert Kay (librarian): Robert Kay (19 June 1825 – 23 April 1904) was one of the founders of the Library, Art Gallery and Museum in Adelaide, South Australia, and the originator of the circulating library. State Library of South Australia: The State Library of South Australia, located on North Terrace, Adelaide, is the official library of the Australian state of South Australia. State Library of South Australia:  It is the largest public research library in the state with a collection focus on South Australian information, and general reference material for information and research purposes.
State Library of South Australia