Adam Guillain, Charlotte Guillain

John Collins Warren

Richard Kennett, Sally Thorne, Salma Barma, Tom Allen, Ed Durbin, David Hibbert, Zaiba Patel, Mary Elizabeth Quinn (Emmy), Maia Stevenson, Funmilola Stewart, Shahnaz Yasmin

Ann Fullick

Sandra Courtman

Isabel Thomas

Brian Meeks

Chris Langdon, Nik Gowing

United States. Bureau of Animal Industry, Leonard Pearson, Rush Shippen Huidekoper, W. H. (William Heyser) Harbaugh, Charles B. Michener

Toby Cooper, Neil McNaughton

Jane Kelly

Roderick Hunt, Alex Brychta, Annemarie Young, Kate Ruttle

Lascelle W Robinson

Robin Whitburn, Abdul Mohamud

R. G. (Robert Gordon) Latham

M. R. (Milton R.) Trumbower, James Law, A. J. (Alexander James) Murray, Leonard Pearson, Brayton Howard Ransom, John R. (John Robbins) Mohler, A. (Adolph) Eichhorn, V. T. (Vickers T.) Atkinson, United States. Bureau of Animal Industry, C. Dwight (Charles Dwight) Marsh, Dr. (William) Dickson, Dr. (William Herbert) Lowe, Dr. (Benjamin Tilghman) Woodward, Richard W. (Richard West) Hickman

Bridget Knight

Keith Noel, Sheilah Garcia-Bisnott

Kathleen E. A. Monteith

Angus Maciver

Amy Bates, Casimir d'Angelo, Helen Kent, Rod Hares, Jean-Claude Gilles, Paul Stocker, Lauren Léchelle, Louise Fenner, Kirsty Thathapudi, Lisa Littlewood, Séverine Chevrier-Clarke, Hodder Education

Tony Weston, José Antonio García Sánchez, Mike Thacker, Hodder Education

Hodder Education

Samantha Armstrong, Oxford Dictionaries

Hon. C. Dennis Morrison OJ CD

Kay Woodward

Julia Sander

Anonymous

Constantine Ziogas

Karine Harrington, Kirsty Thathapudi, Rod Hares, Wendy O'Mahony, Amy Gregg, Casimir d'Angelo, Jean-Claude Gilles, Lauren Léchelle, Hodder Education