search materials(including e-books and e-journals) held by Hokkaido university.
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search NDL(National Diet Library) online, NDL Digitized Contents and "Aozora Bunko", materials of a Japanese digital library.
Search keyword：(Standard classification: 330/.92)
Joseph A. Schumpeter : his life and work / Richard Swedberg
Cambridge : Polity Press , 1991
William Beveridge : a biography / José Harris
Rev. pbk ed. - Oxford [England] : Clarendon Press. - New York : Oxford University Press , 1997