# References for William Horner

- M E Baron, Biography in
*Dictionary of Scientific Biography* (New York 1970-1990).

See THIS LINK.

- Biography by Anita McConnell, in
*Dictionary of National Biography* (Oxford, 2004).

See THIS LINK.
**Books:**

- J L Coolidge,
*The Mathematics of Great Amateurs* (Oxford, 1949),
**Articles:**

- L Bankoff, The metamorphoses of the Butterfly Problem,
*Math. Mag.* **60** (1987), 195-210.

- M H Bektasova, From the history of numerical methods for the solution of equations (Russian), in
*Collection of questions on mathematics and mechanics No. 8* (Russian) (Alma-Ata, 1976), 18-28; 226.

- F Cajori, Horner's Method of Approximation Anticipated by Ruffini,
*Bull. Amer. Math. Soc.* **17** (1911), 409-414.

- A T Fuller, Horner versus Holdred: an episode in the history of root computation,
*Historia Math.* **26** (1) (1999), 29-51.