SLNSW meaning in Academic & Science ?

The State Library of New South Wales, part of which is known as the Mitchell Library, is a large heritage-listed special collections, reference and research library open to the public. It is the oldest library in Australia, being the first established in the colony of New South Wales (now a state of Australia) in 1826. The library is located on the corner of Macquarie Street and Shakespeare Place, in the Sydney central business district adjacent to the Domain and the Royal Botanic Gardens, in the City of Sydney, New South Wales, Australia. The library is a member of the National and State Libraries Australia (NSLA) consortium.

The State Library of New South Wales building was designed by Walter Liberty Vernon, assisted by H. C. L. Anderson and was built from 1905 to 1910, with further additions by Howie Bros in 1939; by FWC Powell & Sons in 1959; and by Mellocco Bros in 1964. The property was added to the New South Wales State Heritage Register on 2 April 1999.