Roselaar, C. S., & Prins, T. G. (2000). List of type specimens of birds in the Zoological Museum of the University of Amsterdam (ZMA), including taxa described by ZMA staff but without types in the ZMA. Beaufortia, 50(5), 95-126.
Roselaar, C. S. (2000). Towards a Birds Avoidance Model for the Netherlands: an example for the Common Buzzard Buteo buteo. Bird Strike Committee Europ Proc. and Working Papers, 233-240.
Roselaar, C. S. (2000). 40 year of bird strike remains identification at the Zoological Museum. Bird Strike Committee Europ Proc. and Working Papers, 227-231.
Roselaar, C. S. (2000). List of journals on birds extant in the most important Dutch Ornithological libraries. ZMA.
Keijl, G. O., & Roselaar, C. S. (2000). Plumages, Bare Parts, Moults, Measurements, Weights, Structure, and Geographical variation of Egretta caerulea Little Blue Heron. BWP Update, 2(3), 199-202.
Hirschfeld, E., Roselaar, C. S., & Shirihai, H. (2000). Identification, taxonomy and distribution of Greater and Lesser Sand Plovers. British Birds, 93, 162-189.
Sluys, R., Hazevoet, C. J., van den Berg, A. B., & Roselaar, C. S. (1999). Dutch avifaunal list: species concepts, taxonomic instability, and taxonomic changes in 1977-1998. Ardea, 87, 139-165.
Roselaar, C. S. (1999). Lijst van vogeltijdschriften aanwezig in de belangrijkere Nederlandse vogelkundige bibliotheken. Nederlandse Ornithologische Unie, 1-34.
Sangster, G., Hazevoet, C. J., van den Berg, A. B., Roselaar, C. S., & Sluys, R. (1999). Dutch avifaunal list: species concepts, taxonomic instability and taxonomic changes. Ardea, 87, 271-275.
Roselaar, C. S., Wattel, J., van Rijswijk, W., & Ebels, E. B. (1999). Dikbekfuten bij Akersloot in april 1997 en Vlaardingen in januari 1998. Dutch Birding, 20, 271-275.