Copy letter from Robert William Frederick Harrison to John S Hawkins, CE, PWD, WA, 13 Ord Street, Perth, WA 'Sir, I have to acknowledge receipt of your letter of the 9th ult[imo] with regard to the gathering of information concerning this and other Societies, and I have pleasure in sending you a copy of our Year Book, from which you should be able to obtain everything you require for your work.' [no enclosure] 29 June 1910