Kuhry, B. (1998). Trends in onderwijsdeelname. [Thesis, externally prepared, Universiteit van Amsterdam]. Sociaal en Cultureel Planbureau.
Neumann, C. D. D. (1998). Algebras and automorphic forms in string theory. [Thesis, fully internal, Universiteit van Amsterdam].
Pendavingh, R. A. (1998). Spectral and geometrical graph characterizations. [Thesis, fully internal, Universiteit van Amsterdam].
Keijsper, J. C. M. (1998). New techniques in network optimization. [Thesis, fully internal, Universiteit van Amsterdam].
Sluijter, C. (1998). Toetsen en beslissen: Toetsing bij doorstroombeslissingen in het voortgezet onderwijs. [Thesis, externally prepared, Universiteit van Amsterdam]. Faculteit der Psychologie UvA.
Willems, P. M. (1998). All things considered: On the measurement of compensation in decision making processes. [Thesis, fully internal, Universiteit van Amsterdam]. Faculteit der Psychologie.
Schmidt, W. F. (1998). Incentives for traffic safety. [Thesis, fully internal, Universiteit van Amsterdam]. Faculteit der Psychologie.
Ooms-Wilms, A. L. (1998). On the food uptake and population dynamics of rotifers in a shallow eutrophic lake. [Thesis, externally prepared, Universiteit van Amsterdam].
Stokman, J. V. (1998). Multivariable orthogonal polynomials and quantum Grassmannians. [Thesis, fully internal, Universiteit van Amsterdam, Fac. WINS]. UvA Press.
Hollander, A. G. S. (1998). Molecular motion in a glass-forming polymer and stacking modulations in a liquid crystal; One- and two-dimensional deuteron NMR studies at high pressure. [Thesis, fully internal, Universiteit van Amsterdam]. UvA Press.