Swijtink, Zeno G. Department Ideals and Practices of Rationality, Max Planck Institute for the History of Science, Max Planck Society;
Swijtink, Z. G. (1995). [Entries] 'Beth definability theorem'; 'categorical theory'; 'Craig's interpolation theorem'; 'model theory'; 'satisfiable'; 'standard model'. In R. Audi (Ed.), The Cambridge dictionary of philosophy. New York [u.a.]: Cambridge Univ. Press.