Two reference books on Clocks 'Watchmakers & Clocks, Encyclopaedic Dictionary' by Donald de Carle, 'The watch and clock book, Trouble Shooting, Adjustment and Repair', by Arco Publishing, together with 'The motor car, a Practical manual', by R.W.A Brewer, and Minerals of New South Wales, 1888 by A. Liversidge and Australasian hardware and machinery Diary, 1911, (5)