dr Aarts, G. A. P. T. (1999). Dynamics in Equilibrium and Nonequilibrium Quantum Field Theory. [Thesis, fully external, Universiteit Utrecht].
Leurdijk, A. G. D. (1999). Televisiejournalistiek over de multiculturele samenleving. [Thesis, fully internal, Universiteit van Amsterdam].
Kruger, C. (1999). Cognitive strategies in Industrial Design Engineering. [Thesis, fully external, Technische Universiteit Delft]. TU Delft.
Dijkhuizen, P. A. (1999). Viral vectors as tools for neurotrophin gene delivery to the injured nervous system. [Thesis, fully external, Amsterdam, VU]. s.n.
de Visscher, J. G. A. M. (1999). Squamous cell carcinoma of the lip. A clinical study. [Thesis, fully external, Vrije Universiteit]. Grafisch bedrijf Hellinga b.v.
Bravo de Faria Cruz, I. M. (1999). Pathogenesis of oral squamous cell carcinomas. Virological, immunological, oncogentic and clinicopathological aspects. [Thesis, fully external, Vrije Universiteit]. Elinkwijk.
van Knippenberg -van Wisse, B. M. (1999). Determinants of the use of hard and soft influence tactics. [Thesis, fully external, RUL].
de Jong, G. M. (1999). Stressmanagement and issues regarding implementations. [Thesis, fully external, Rijksuniversiteit Groningen]. Rijksuniversiteit Groningen.
Blankenvoorde, M. F. J. (1999). Salivary proteinase inhibitors and periodontitis: Cystatins in the defense against Porphyromonas gingivalis. [Thesis, fully external, Vrije Universiteit].
Helmerhorst, E. J. (1999). Design and characterization of antimicrobial peptides based on salivary histatins. [Thesis, fully external, Vrije Universiteit].