Photo Credits
U.S. Senate Photo Studio / U.S. Senate Sergeant at Arms / U.S. Senate Collection
http://www.pressphotographers.senate.gov/
Architect of the Capitol
https://www.aoc.gov/image-gallery
William J. Clinton Presidential Library
https://www.clintonlibrary.gov/
George Bush Presidential Library and Museum
Jimmy Carter Presidential Library
http://www.jimmycarterlibrary.gov/
Gerald R. Ford Library