Joe Biden v roce 1965, fotka pořízená pro ročenku University of Delaware. By University of Delaware - Original: https://udspace.udel.edu/bitstream/handle/19716/5882/1965_08_Seniors.pdf?sequence=8&isAllowed=y, p. 10Higher quality: https://api.time.com/wp-content/uploads/2015/10/joe-biden-yearbook-delaware.jpg, Public Domain,