| Factor, Jan Robert | € 250,00 |
| Scilla, Augustino | € 150,00 |
| Martin, Paul | € 100,00 |
| Pereira, Dr. Lafayette R. | € 100,00 |
| Audobon | € 65,00 |
| Snijders, A.J. | € 50,00 |
| Buffon | € 45,00 |
| Rijnberk, Ad & Hans S. Kooistra (editors) | € 45,00 |
| Day, Michael J. | € 45,00 |
| Rijnberk, Ad & Freek J. van Sluijs | € 45,00 |
| Venker-van Haagen Anjop J. | € 45,00 |
| Venker-van Haagen Anjop J. | € 45,00 |
| Rijnberk, A. & F.J. van Sluijs | € 45,00 |
| Dyce, Keith M. & Wolfgang O. Sack | € 45,00 |
| Vail, David M. | € 45,00 |
| Washabau, Robert J. & Michael J. Day | € 30,00 |
| Rijnberk, A. (editor) | € 30,00 |
| Heimans, E. (tekst van) & Aug. F.W. Vogt (met origineele foto's van) | € 30,00 |
| Lardinois, Ruud | € 30,00 |
| Wall, Stephen B. Vander | € 30,00 |
| Venker-van Haagen Anjop J. | € 30,00 |
| Lorenzi, Davide De | € 30,00 |
| Dyce D.V.M. - and others | € 30,00 |
| Darlington, Philip J. | € 30,00 |
| Stone, George | € 25,00 |
| Simpson, A. Nicol | € 25,00 |
| Weidensaul, Scott | € 25,00 |
| Donaldson, Gerald | € 25,00 |
| Brehm, A.E. | € 25,00 |
| Casse, Baron Albert Du | € 25,00 |
| Hodson, Margaret E. - and others | € 20,00 |
| Hedlund, Cheryl & Joe Taboada (editors) | € 20,00 |
| Nolch, Guy | € 20,00 |
| Denis-Huot, Christine | € 20,00 |
| Jeannel, René | € 20,00 |
| Venker-van Haagen Anjop J. | € 20,00 |
| Crockford, Susan J. | € 20,00 |
| Gorman, James | € 20,00 |
| Matignon, Karine Lou | € 20,00 |
| Murphy, Frederick A. & E. Paul J. Gibbs - and others | € 20,00 |
| Diverse auteurs | € 20,00 |
| Smith, Guy N. | € 17,50 |
| Bruyne, R.H. de & R.A. Bank & J.P.H.M. Adema & F.A. Perk | € 17,50 |
| Hecker, Frank | € 17,50 |
| Burton, Maurice | € 15,00 |
| Rough Fell Folk (compiled by) | € 15,00 |
| George, David & Jennifer George | € 15,00 |
| Hiemstra, Sipke Joost & Yvette de Haas & Asko Mäki-Tanila & Gustavo Gandini | € 15,00 |
| Taks, Ad & Wilma Taks (fotografie) | € 15,00 |
| Alderson, Lawrence; Porter, Val | € 15,00 |
| Burckhardt, Dieter & Barruel, Paul | € 15,00 |
| Linklater, Andro - a.o. | € 15,00 |
| Borradaile, L.A. & Potts, F.A. & Eastham, L.E.S. & Saunders, J.T. | € 15,00 |
| Day, David | € 15,00 |
| Burnie, David | € 12,50 |
| Souty-grosset, Catherine & David M. Holdich & Pierre Y. Noëll & Julian D. Reynolds & Patrick Haffner | € 12,50 |
| Stanford, Craig B. | € 12,50 |
| Goldsmith, Oliver | € 12,50 |
| Antonis, Adriaan - en anderen | € 12,50 |
| Aegisson, Sigurour | € 12,50 |
| Aegisson, Sigurour | € 12,50 |
| Clement, Roland C. | € 12,50 |
| Diverse auteurs | € 12,50 |
| Gordon, W.J. & Holding, R.E. | € 12,00 |
| Steel, Rodney | € 12,00 |
| Owen, John B. | € 12,00 |
| Souder, William | € 10,00 |
| Wayre, Philip | € 10,00 |
| Lawick, Hugo van | € 10,00 |
| Koch, Heidi & Hans-Jürgen | € 10,00 |
| Mager, Wim & Jan Vermeer | € 10,00 |
| Maloiy, G.M.O. | € 10,00 |
| Hoor, Peter ten & Cees Peppelenbos & Jan Faber | € 10,00 |
| Saller, Martin | € 10,00 |
| Whitfield, Philip | € 10,00 |
| McIntyre, Joan | € 10,00 |
| Wirtz, Daniel | € 10,00 |
| Diverse auteurs | € 10,00 |
| Colbert, Edwin H. | € 10,00 |
| Shields, Joan | € 10,00 |
| Murie, Olaus J. & Victor B. Scheffer | € 10,00 |
| Bennekom, Johan van | € 10,00 |
| Alderton, David | € 10,00 |
| Gartrell, Carla L. - and others | € 10,00 |
| Meijknecht, Dr. J. | € 10,00 |
| Nissenson, Marilyn & Jonas, Susan | € 10,00 |
| Brehm, A.E. & G.J. Meinen (bewerking) | € 10,00 |
| Deen, Angela | € 10,00 |
| Frith, H.J. & J.H. Calaby | € 10,00 |
| Gajentaan, J. | € 10,00 |
| Schaedtler, Fr.C. | € 10,00 |
| Kolb, Erich | € 10,00 |
| Diverse auteurs | € 10,00 |
| Garcia, Carlos | € 10,00 |
| Beenen, R. - e.a. (redactie) | € 10,00 |
| Fouts, Roger & Stephen Mills | € 10,00 |
| Voogt, Gos. de | € 10,00 |
| Scherren, Henry | € 10,00 |
| Sparks, John | € 10,00 |
| Williams, Heathcote | € 10,00 |