Janssen, A. (1998). Avoidance of competition and predation in arthropod food webs. [Thesis, fully internal, ISP]. UvA.
Muller, N. M. (1998). Topological Interactions and Quantum Double Symmetries. [Thesis, fully internal, Universiteit van Amsterdam].
van Gool, F. T. J. (1998). Diel vertical migration of Daphnia: an inquiry into mechanisms of phototactic behaviour. [Thesis, externally prepared, ISP]. UvA.
de Wilde, I. E. (1998). Nieuwe deelgenoten in de wetenschap. Vrouwelijke studenten en docenten aan de Rijksuniversiteit Groningen 1871-1919. [Thesis, externally prepared, Universiteit van Amsterdam]. in eigen beheer.
Ache, P. (1998). Lokale innovative Milieus in altindustriellen Regionen. [Thesis, fully external, Dortmund].
Brands, H. (1998). Coherent Structures and Statistical Mechanics in Two-Dimensional Flows. [Thesis, fully internal, Universiteit van Amsterdam].
Klouwen, W. (1998). Die Wirklichkeit der Geschichte. Ein Vergleich zwischen K. Barth und G.W.F. Hegel. [Thesis, fully internal, Universiteit van Amsterdam]. Boekencentrum.
Schul, W. (1998). The spatial and functional organization of transcription and RNA processing in relation to nuclear domains. [Thesis, fully internal, Universiteit van Amsterdam].
Beens, J. (1998). Chromatographic couplings for unraveling oil fractions. [Thesis, fully internal, Universiteit van Amsterdam].
de Groot, C. H. (1998). Rare-Earth Intermetallics from magnetic interactions to permanent magnets. [Thesis, fully internal, Universiteit van Amsterdam]. UvA.