By R. Courant, herbert robbins
By Swokowski, Earl
By Collins GCSE
By William G. Cochran
By M Watkins
By Douglas Jacobson
By Kevin Houston (University of Leeds)
By Hindu College, Central
By Richard Rennie (University of Cambridge), Jonathan Law (Market House Books)
By Open University Course Team
By Prof. Peter Sprent
By William Byers
By David W. Scott (Rice University, Houston, Texas)
By Benjamin Wardhaugh
By Stewart, Ian
By John Berry, Ted Graham, Jenny Sharp, Elizabeth Berry
By Tony Crilly
By Seiter
By Paul Dickinson, Susan Hough, Frank Eade, Steve Gough, Stella Dudzic
By Edward Dowling
By Dowling, Edward
By Caroline Fawcus, Peter Clarke
By Peter F. Cohn, Joan K. Cohn
By Scottish Primary Mathematics Group
By E.M. Williams, Hilary Shuard
By Tal, Joseph
By William E. Boyce, Richard C. DiPrima
By Schofield & Sims, Anne Forster, Paul Martin, Ann Montague-Smith
By John A. Deft