- Tore Langholm, Marc Bezem. A Descriptive Characterisation of Even Linear Languages. Grammars, 6(3):169-181, 2003.
- José M. Sempere. A Note on the Equivalence and Complexity of Linear Grammars. Grammars, 6(2):115-126, 2003.
- Marcin Skowron. Interactive Graph Grammar. Grammars, 6(3):183-215, 2003.
- Relja Vulanovic. Grammar Efficiency and Complexity. Grammars, 6(2):127-144, 2003.
- Henning Fernau. Parallel Grammars: A Phenomenology. Grammars, 6(1):25-87, 2003.
- Petr Sosík. The Power of Catalysts and Priorities in Membrane Systems. Grammars, 6(1):13-24, 2003.
- Liviu Petrisor Dinu. An Approach to Syllables via some Extensions of Marcus Contextual Grammars. Grammars, 6(1):1-12, 2003.
- Sergio O. Anchorena, Blanca Cases. Modeling Chaotic Series by Simple Eco-Grammar Systems with Reproduction, Death and Maturation of Agents. Grammars, 6(3):155-168, 2003.
- Marcus Kracht. Constraints on Derivations. Grammars, 6(2):89-113, 2003.
- Shuly Wintner. On the Semantics of Unification Grammars. Grammars, 6(2):145-153, 2003.