Presidential portraits up until Nixon were drawn from the White House History website. All others were public domain photographs taken from Wikpedia.
All logo images and banner images were purchased on Adobe Images and iStockPhotos.
All free icons were implemented as SVGs and HTML icons from Font Awesome and Bootstrap. Others were purchased from Flat Icon and The Noun Project.
All map images were taken from the Wikpedia public domain.
   Parties
   Assassinations
N/A, Public domain, via Wikimedia Commons
Alexander Gardner, Public domain, via Wikimedia Commons
Wknight94 talk, CC BY-SA 3.0, via Wikimedia Commons
Unknown photographer, Public domain, via Wikimedia Commons
Smithsonian photographer, Public domain, via Wikimedia Commons
Smithsonian photographer, Public domain, via Wikimedia Commons
Le Petit Journal, Public domain, via Wikimedia Commons
Wiendenthal Photo Company of Cleveland,Ohio, Public domain, via Wikimedia Commons
E. Benjamin Andrews, Public domain, via Wikimedia Commons
Milwaukee Journal Sentinel File photo Oct. 14, 1912, Public domain, via Wikimedia Commons
State Archives of Florida, Florida Memory, Public domain, via Wikimedia Commons
Florida Department of Corrections, Public domain, via Wikimedia Commons
Dallas Motorcade, via Wikimedia Commons
Marina Oswald, Public domain, via Wikimedia Commons
Samuel Byck, Public domain, via Wikimedia Commons
Gerald R. Ford Presidential Museum, Public domain, via Wikimedia Commons
Federal Correctional Institution, Public domain, via Wikimedia Commons
St. Francis Hotel, Public domain, via Wikimedia Commons
Ronald Reagan Presidential Library, Public domain, via Wikimedia Commons
Ronald Reagan Presidential Library, Public domain, via Wikimedia Commons
English: Hamid Mir, CC BY-SA 3.0, via Wikimedia Commons
Broward County Sheriff's Office, Public domain, via Wikimedia Commons
Designism, CC0, via Wikimedia Commons
FBI, Public domain, via Wikimedia Commons
Palm Beach County Sheriff's Office, Public domain, via Wikimedia Commons
CCTV, Public domain, via Wikimedia Commons
District of Columbia, Public domain, via Wikimedia Commons