Investigating Euler's Polyhedral Formula Using Original Sources - Bibliography

Euler, Leonhard. 1758. Elementa Doctrinae Solidorum. Novi commentarii academiae scientiarum Petropolitanae 4(1752/3): 109–140. Reprinted in Opera Omnia, Series I, Vol. 26, 71–93. Eneström number 230. Also available online at the MAA Euler Archive.

Lakatos, Imre. 1976. Proofs and Refutations. Cambridge: Cambridge University Press.

West, Douglas Brent. 2001. Introduction to Graph Theory. 2nd ed. Prentice Hall.