Allahabad Public Library also known as Thornhill Mayne Memorial is a public library situated at Alfred Park in Prayagraj. Established in 1864, it is the biggest library in the state of Uttar Pradesh. The building was designed by Richard Roskell Bayne and is considered a remarkable example of Scottish Baronial Revival architecture. The monument has served as the house of legislative assembly in British era when Allahabad was the capital of United Provinces. In 1879, the Public library was shifted to the present premises at Alfred Park.