Pol-Aust Note : Notes on the Australian position, December, 1931.
Pol-Aust Nowe : Parliamentary handbook : showing the practice of the English House of Commons in cases not specially provided for by the standing orders of the Legislative Council, Tasmania / by Edwin Cradock Nowell.
Pol-Aust Octo : October first 1951 : Australia and New Zealand Bank Limited, in which are merged the Bank of Australasia and the Union Bank of Australia Limited.
Pol-Aust Oldh : The land policy of South Australia : from 1830 to 1842 / by Wilfrid Oldham.
Pol-Aust Olip : Germany and good faith : a study of the history of the Prussian royal family / by E.H.C. Oliphant.
Pol-Aust Oroc : What's wrong with the world?, or, The comedy of price / by John O'Rockie.
Pol-Aust Osbo : Nine crowded years : [a review of the stirring incidents in the political life of New South Wales during the years 1910 to 1919, with my personal experiences and impressions] / by J.P. Osborne.
Pol-Aust Post : Post-war reconstruction in Australia / by R.G. Menzies ... [et al.]. And a paper, A future for international law / by Sir John Morris ; [both] edited by D.A.S. Campbell.
Pol-Aust Powe : Historical review of customs activities in Victoria / compiled by H.R. Power.
Pol-Aust Powe/Greg : The thorough business man : memoirs of Walter Powell, merchant, Melbourne and London / by Benjamin Gregory.
Pol-Aust Prat : Speeches by Senator Pratten : a selection from the speeches of Senator Herbert Edward Pratten in the seventh Parliament of the Commonwealth of Australia : reprinted from Parliamentary debates, 1917-18-19.