 | NEDERLANDSE STANDAARD VAN HOENDERS EN DWERGHOENDERS | N.H.D.B. | € 35.00 |
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| NEDERLANDSE VOGELS 5 delen 1-zangvogels / 2-weide ,watervogels en moerasvogels / 3-vogels van bos ,heide en duin,4-water en wadvogels / 5-zangvogels,2 / 6- Bekende en minder bekende vogels | HAZEVOET,K. e.a. | € 15.00 |
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| NEDERLANDSE WETLANDS 1997 VOGEL- EN NATUURBESCHERMING rapp. WNF-Vogelbescherming-Birdlife intern. | VOGELKBESCHERMING NEDERLAND | € 10.00 |
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| NEIGHBORS TO THE BIRDS. A HISTORY OF BIRDWATCHING IN AMERICA | GIBBONS,FELTON a.o. | € 10.00 |
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| NEIGHBORS TO THE BIRDS:a history of birdwatching in America | GIBBONS,F. | € 10.00 |
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| NEOGENE AVIAN LOCALITIES OF NORTH AMERICA | BECKER,J.J. | € 10.00 |
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| NEOPHEMA`S EN HUN KLEURMUTATIES | ZOMER,H.P.M. / KAAL,G.Th.F. | € 15.00 |
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| NEOTROPICAL MIGRATORY BIRDS | DeGRAAF,RICHARD M. | € 10.00 |
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| NESTING BIRDS OF THE COASTAL ISLANDS | DYES,JOHN | € 10.00 |
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| NESTING BIRDS OF THE COASTAL ISLANDS a naturalist's year on Galveston Bay | DYES,J.C. | € 10.00 |
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| NESTING BIRDS OF THE COASTAL ISLANDS:a naturalist's year on Galvaston Bay | DYES,JC | € 11.00 |
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| NESTKASTHANDLEIDING | NOPPERT,FRANK a.o. | € 5.00 |
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| NESTS, EGGS AND NESTLINGS OF EUROPEAN BIRDS | HARRISSON,COLIN | € 10.00 |
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| NEUE UNTERSUCHUNGEN ZUR SIEDLUNGSDICHTE DER VOGEL | OELKE,HANS a.o. | € 10.00 |
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| NEURAL AND ENDOCRINE ASPECTS OF BEHAVIOUR IN BIRDS | WRIGHT,PETER / CARYL,PETER G. / VOWLES,DAVID M. | € 10.00 |
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| NEUSEELAND DIE VOGEL UND IHR LEBENSRAUM | MACHE,REINHARD | € 10.00 |
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| NEW COLOUR GUIDE TO HONG KONG BIRDS | VINEY,CLIVE a.o. | € 7.50 |
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| NEW ENGLAND BIRD LIFE BEING A MANUAL OF NEW ENGLAND ORNITHOLOGY part 1: Oscines "singing birds" | COUES.ELLIOTT / STEARNS,WINFRID A. | € 15.00 |
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| NEW GUINEA an island apart | NIGHTENGALE,NEIL | € 10.00 |
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| NEW STUDIES OF TROPICAL AMERICAN BIRDS | SKUTCH,ALEXANDEDR F. | € 18.00 |
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