Book chapters by PPI staff:
- Phantom Constituents in the 2012 Election, by Peter Wagner and Leah Sakala in Atlas of the 2012 Elections, edited by J. Clark Archer, Robert H. Watrel, Fiona Davidson, Erin H. Fouberg, Kenneth C. Martis, Richard L. Morrill, Fred M. Shelley, Gerald R. Webster (Rowman & Littlefield, 2014)
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Prisons, Politics and the Census, by Gary Hunter and Peter Wagner in Prison Profiteers: Who Makes Money from Mass Incarceration, edited by Tara Herivel and Paul Wright (The New Press, 2008)
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U.S. Prison Proliferation, 1900-2004 (map) by Rose Heyer in Warfare in the American Homeland: Policing and Prison in a Penal Democracy, edited by Joy James (Duke University Press, 2007).
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Skewing Democracy: Where the Census Counts Prisoners, by Peter Wagner in
Poverty & Race in America: The Emerging Agenda, edited by Chester Hartman (Lexington Books, 2006).