The Grand National Eisteddfod of Australasia, South Street Socitey was established in 1879, and incorporated in 1908. In 1911 the registered offices were located at the corner of Grenville Street and Little Bridge Streets.To letters to the Ballarat School of Mines on Grand National Eisteddfod of Australasia Letterhead (South Street Society) .1)Typed letter (Carbon) inviting the Council of the Ballarat School of Mines to a patriotic demonstration to be held at the Coliseum Ballarat on 22 June 1911 to celebrate the coronation of King George V. he letter is signed by W.D. Hill (Secretary) .2) handwritten letter requesting a tour of the Ballarat School of Mines by seven Queenslanders. The letter is signed by F. Coltman.1) written in black ink on lower right " MM 26/5/11" .2) written in red ink on top right "807"grand national eisteddfod, grand national eisteddfod of australasia, south street society, south street, f.m. coltman, coltman, w.d. hill, ballarat school of mines, coronation, george v