The Trail of the Triads – Fenten Bresler (1980) (1st ed)
Capital – Karl Marx, Friedrich Engels (3 Volume set)
The Economic Consequences of the Peace – John Maynard Keynes (1st ed, 2nd printing)
A Sketch of the Modern Languages of the East Indies – Robert N. Cust (1878) (1st ed) (signed)
Modern Singapore (1969) (1st ed)
The Prince and Other Pieces – Nicolo Machiavelli (1883)
Collected Papers – Sigmund Freud (1959) (1st ed)
The Wealth of Nations – Adam Smith
Leviathan – Thomas Hobbes
Japan Fights for Asia – John Goette (1943)
Emigrant Communities in South China – Ta Chen (1939) (1st ed)
Elements of Political Economy – J. Shield Nicholson (1906)
