4 1 50 S. Bakker, Vet. D., Govt. Additional Author R. W. van Bemmelem Additional Author Charles J. Bernard Additional Author C. Braak Additional Author Alexander L. ter Braake Additional Author Lieutenant Colonel C. P. Brest Additional Author Jan O. M. Broek Additional Author G. E. Combs Additional Author Ch. Coster Additional Author K. W. Dammerman Additional Author W. F. Donath Additional Author David G. Fairchild Additional Author Richard M. Field Additional Author Henry O. Forbes Additional Author J. Frickers Additional Author K. P. Groot Additional Author Robert von Heine-Geldern Additional Author Albert W. C. T. Herre Additional Author Pieter Honig Additional Author K. W. van Gorkom Additional Author P. van Leersum Additional Author Norman Taylor Additional Author D. R. Koolhaas Additional Author C. van de Koppel Additional Author Gerard P. Kuiper Additional Author M. A. Lieftinck Additional Author Jean Massart Additional Author Ernest Mayr Additional Author E. C. J. Mohr Additional Author D. G. Moon Additional Author Earl H. Myers Additional Author the late Maria J. Otten-van Stockum Additional Author O. Posthumus Additional Author Hendrik Riemens Additional Author P. A. Roelofsen Additional Author F. Schneider Additional Author M. J. Sirks Additional Author I. Snapper Additional Author H. Stauffer Additional Author C. G. G. J. van Steenis Additional Author T. A. Tengwall Additional Author H. Vlugter Additional Author A. de Waart Additional Author Alfred Russel Wallace Additional Author Franz Weidenreich Additional Author F. A. F. C. Went Additional Author F. W. Went Additional Author W. M. Docters van Leeuwen Additional Author P. Dakkus Additional Author J. H. Westermann Additional Author Frans Verdoorn Additional Author James F. Engers Additional Author Pieter Honig and Frans Verdoorn Additional Author Bruno Lasker Additional Author Adrian van der Veen Additional Author S. van Valkenburg Additional Author E. Adamson Hoebel Additional Author L. Lek, La Jolla, Calif Additional Author B. Landheer Additional Author J. J. Polak Additional Author Horace Belshaw Additional Author Natalie Gurney Additional Author C. L. Mantell Additional Author L. Rutten Additional Author Ch. Bernard Additional Author D. Friedman Additional Author mixed material 1945 Menjelajah Kalimantan, Sulawesi & Kepulauan Aru Alfred Russel Wallace Additional Author mixed material 2007 Akal Sehat dan Ancaman Nuklir Russel Additional Author Betrand Additional Author mixed material 2000 Menjelajah Kalimantan, Sulawesi & Kepulauan Aru Alfred Russel Wallace Additional Author mixed material 2007