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

http://www.encyclopedia.com/doc/1G2-2830902057.html - Biography by Anita McConnell, in
*Dictionary of National Biography*(Oxford, 2004).

**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.

The URL of this page is:

http://www-history.mcs.st-andrews.ac.uk/References/Horner.html