Licensed to Practice: The Supreme Court Defines the American Medical Profession (Johns Hopkins University Press, 2013) tells the dramatic story behind the 1889 Supreme Court case that legalized the licensing of physicians in the US and also looks at the profound impact of that decision on the subsequent development of this nation's unique medical system.
New Perspectives on Public Health Policy (Penn State Press, 2008): a book of essays in which several scholars put US public health policy into comparative and international contexts.
Plague and Fire: Battling Black Death and the 1900 Burning of Honolulu's Chinatown (Oxford University Press, 2005): a dramatic tale involving an epidemic of bubonic plague, ethnic and racial tensions, American imperial designs, and the greatest civic catastrophe ever to result from the action of public health officials. This book won the Oregon book award.
Adams and Adams, Chapters of Erie (Waveland Press, 2002): a reisssue of classic political essays about corporate corruption in the Reconstruction period, edited with a new introduction by Professor Mohr.
"American Medical Malpractice Litigation in Historical Perspective," JAMA, Vol. 283, No. 13 (April 5, 2000), 1731-1737.
"The Paradoxical Advance and Embattled Retreat of the 'Unsound Mind': Evidence of Insanity and the Adjudication of Wills in Nineteenth-Century America," Historical Reflections/Reflexions Historiques, Vol. 24, No. 3 (Fall 1998), 415-436.