Read Christina D. Romer’s entry on Business Cycles in the Concise Encyclopedia of Economics

 

Bordo, Michael, Claudia Goldin and Eugene White, (eds.), The Defining Moment: The Great Depression and the American Economy in the 20th Century

Friedman, Milton & Anna Schwartz, A Monetary History of the United States

Haberler, Gottfried, Prosperity and Depression: A Theoretical Analysis of Cyclical Movements

Hayek, F.A. Business Cycles, Part I and Business Cycles, Part II

Mackay, Charles, Memoirs of Extraordinary Popular Delusions and the Madness of Crowds

Lucas, Robert, Studies in Business Cycle Theory

Lucas, Robert, Models of Business Cycles

Mises, Ludwig von Mises, On the Manipulation of Money and Credit

Mitchell, Wesley C., Business Cycles and Their Causes

Pigou, A.C. Industrial Fluctuations

Robertson, D. H., A Study of Industrial Fluctuations

Rothbard, Murray, Austrian Business Cycle Theory 

Schumpeter, Joseph Alois, Business Cycles: A Theoretical, Historical, and Statistical Analysis of the Capitalist Process

Vedder, Richard and Lowell Gallaway, Out of Work: Unemployment and Government in the Twentieth Century