 | Roach, Mary | € 10,00 |
 | Roelofs, W.G.Th. - e.a. | € 34,00 |
 | Roy, Christian le | € 8,00 |
 | Ruijter, Elsje de | € 5,00 |
 | Ruiter, F.G. de | € 5,00 |
 | Rücker, Elisabeth | € 5,00 |
 | Sanderson, Ivan T. | € 5,00 |
 | Scarth, Alwyn & Jean-Claude Tanguy | € 11,00 |
 | Scherren, Henry | € 9,50 |
 | Schierbeek, A. | € 5,00 |
 | Schildkamp, Theo | € 5,00 |
 | Schuring, Harry | € 5,00 |
 | Schuring, Harry - e.a. (redactie) | € 6,00 |
 | Schut, Bert | € 5,00 |
 | Sheffield, Charles | € 5,00 |
 | Sheldrick, Janis | € 25,00 |
 | Shubin, Neil | € 8,00 |
 | Silvester, Hans | € 15,00 |
 | Silvester, Hans | € 15,00 |
 | Singh, Madanjeet | € 15,00 |
 | Sliggers, Bert | € 11,00 |
 | Sluis, Theo van der | € 9,50 |
 | Southwood, Richard | € 7,50 |
 | Stastny, Karel en Vladimir Bejcek | € 5,00 |
 | Steene, Roger | € 7,50 |
 | Stichmann-Marny, Ursula | € 7,50 |
 | Stonehouse, Bernard | € 7,50 |
 | Stoppato, Marco C. & Bini, Alfredo | € 6,00 |
 | Swanson, Michele S. - and others | € 15,00 |
 | Tack, Francis & Paul Robin | € 13,00 |
 | Tazieff, Haroun | € 7,50 |
 | Theberge, Captain Albert E. - a.o. | € 7,50 |
 | Thimm, Inge | € 19,00 |
 | Tienhoven, mr. P.G. van | € 7,50 |
 | Tinbergen, Joost | € 10,00 |
 | Tol, J. van | € 5,00 |
 | Truffer, Beat P | € 5,00 |
 | Vandersmissen, Hans | € 8,00 |
 | Various | € 7,50 |
 | Veen, Cees van 't (introduction) | € 12,50 |
 | Veen, Cees van 't (voorwoord) | € 7,50 |
 | Vegten, J.A. van | € 25,00 |
 | Verhagen, H.J. - en anderen | € 10,00 |
 | Vermeer, Jan | € 5,00 |
 | Visscher, H.A. | € 5,00 |
 | Vos, J.A. de & Blankena, G.J. | € 5,00 |
 | Vriends, Jan | € 5,00 |
 | Vries, Bernhard de | € 15,00 |
 | Waal, Jeroen van de | € 9,00 |
 | Wagner, Georg | € 5,00 |
 | Wagner, Hermann | € 34,00 |
 | Walker, Richard | € 7,50 |
 | Watson, Peter | € 7,50 |
 | Wells, Martin | € 7,50 |
 | Wells, Spencer | € 6,00 |
 | Wells, Sue | € 7,50 |
 | Welsh, Mary | € 9,00 |
 | Werner, A.G. | € 7,50 |
 | Whitehead, Peter & Colin Keates | € 5,00 |
 | Wijlen, Ton van | € 5,00 |
 | Wijnen, Jo & Collin, Martin | € 6,00 |
 | Willems, Jaap | € 5,00 |
 | Williams, John G. | € 15,00 |
 | Wilson, Edward O. | € 8,00 |
 | Winkel, Dos | € 9,00 |
 | Winkler, Dr. T.C. | € 7,50 |
 | Winkler, dr. T.C. | € 56,00 |
 | Wit, H.C.D. de (edited by) & Rumphius, G. | € 112,50 |
 | Wit, Margriet de | € 20,00 |
 | Witchell, Charles A. | € 7,50 |
 | Wood, A.J. & Clint Twist | € 10,00 |
 | Wulf, Andrea | € 8,00 |
 | Yonge, C.M. | € 10,00 |
 | Zeiler, Frits David | € 9,50 |
 | Zinderen Bakker, E.M. van | € 5,00 |