[61]

^ Lyndon B. Johnson succeeded to the presidency upon the death of John F. Kennedy.[65]

^ Jump up to: a b Appointed as vice president under terms of the Twenty-fifth Amendment, Section 2[23]

^ Gerald Ford succeeded to the presidency upon the resignation of Richard Nixon.[67]

References

^ Rossiter (1962), p. 86.

^ Shugart (2004), pp. 633–636.

^ Epstein (2005), p. 318.

^ Matuz (2001), p. xxii.

^ Schaller & Williams (2003), p. 192.

^ Jump up to: a b whitehouse.gov (g).

^ McHugh & Mackowiak (2014), pp. 990–995.

^ Skau (1974), pp. 246–275.

^ Peabody & Gant (1999), p. 565.

^ Abbott (2005), pp. 627–644.

^ Dinnerstein (1962), pp. 447–451.

^ Guide to U.S. Elections (2010), p. 197; Nardulli (1992), p. 179.

^ LOC (2); Jamison (2014).

^ LOC; whitehouse.gov.

^ Guide to U.S. Elections (2010), pp. 257–258.

^ LOC.

^ McDonald (2000).

^ Guide to U.S. Elections (2010), pp. 197, 272; Nardulli (1992), p. 179.

^ Pencak (2000).

^ Guide to U.S. Elections (2010), p. 274.

^ Peterson (2000).

^ Banning (2000).

^ Jump up to: a b c Neale (2004), p. 22.

^ Ammon (2000).

^ Hargreaves (2000).

^ Guide to U.S. 