Samuelson, P. A. (1964). "Theoretical Notes on Trade Problems". Review of Economics and Statistics. 46 (2): 145–154. doi:10.2307/1928178. JSTOR1928178.
Samuelson, Paul A. (May 1939). "Interactions between the Multiplier Analysis and the Principle of Acceleration". The Review of Economics and Statistics. 21 (2): 75–78. doi:10.2307/1927758. JSTOR1927758.
Samuelson, P. A. (1964). "Theoretical Notes on Trade Problems". Review of Economics and Statistics. 46 (2): 145–154. doi:10.2307/1928178. JSTOR1928178.
Samuelson, Paul A. (May 1939). "Interactions between the Multiplier Analysis and the Principle of Acceleration". The Review of Economics and Statistics. 21 (2): 75–78. doi:10.2307/1927758. JSTOR1927758.
Frost, Greg (December 13, 2009). "Nobel-winning economist Paul A. Samuelson dies at age 94". MIT News. "In a career that spanned seven decades, he transformed his field, influenced millions of students and turned MIT into an economics powerhouse"