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Economics
Lipsey, Richard George, (1975)
Lipsey, Richard George, (1972)
Investment principles
Johnson, Timothy E., (1978)
How foundations came to be
Samuelson, Paul Anthony, (1998)
Nobelpreisträger Paul Samuelson über die Bodensteuer
Gude, Jörg, (2004)
An interview with Paul A.@Samuelson
Samuelson, Paul Anthony, (2004)