George Bush Presidential Library: “Biography of George Herbert Walker Bush.”
Parade magazine, interview with George H.W. and Barbara Bush, by Mark Updegrove, July 13, 2012.
Joseph Jankovic, MD, professor of neurology, distinguished chair in movement disorders; director, Parkinson’s Disease Center and Movement Disorders Clinic, Baylor College of Medicine
Department of Neurology, Houston.
Baylor College of Medicine, Parkinson’s Disease Center and Movement Disorders Clinic: “Vascular parkinsonism.”
New Jersey Neuroscience Institute, JFK Medical Center, Edison, NJ: “Vascular (Multi-Infarct) Parkinsonism.”
Whitehouse.gov: “George W. Bush.”
FoxNews.com: “Former President George HW Bush released from hospital, aides say.”
The Washington Post: “George H.W. Bush hospitalized one day after the funeral for his wife, Barbara.”