books.google.com.au - History of the Swan River Settlement, W.A. and its founder Thomas Peel 1768-1865; Settlement founded 1829; p.77- 78; Contact & reactions between the first Swan River settlers and the Aborigines; Chp.IX; Settlers difficulties with the Murray River Aborigines - murder and plunder - police force formed...http://books.google.com.au/books/about/Thomas_Peel_of_Swan_River.html?id=4zM1AQAAIAAJ&utm_source=gb-gplus-shareThomas Peel of Swan River
History of the Swan River Settlement, W.A. and its founder Thomas Peel 1768-1865; Settlement founded 1829; p.77- 78; Contact & reactions between the first Swan River settlers and the Aborigines; Chp.IX; Settlers difficulties with the Murray River Aborigines - murder and plunder - police force formed - Pinjarra area; Effort to civilize Aborigines; Institution for natives founded at foot of Mount Elna 1837 under F.F. Armstrong; Attitude of settlers improved.