Poznan Studies volumes 21-30:

Vol. 30. Government: Servant Or Master? (1993)
Vol. 29. Possible Ontologies (1993)
Vol. 28. Polish Scientific Philosophy: The Lvov-Warsaw School (1993)
Vol. 27. The Mathematical Soul (1992)
Vol. 26. Idealization IV: Intelligibility in Science (1992)
Vol. 25. Idealization III: Approximation and Truth (1992)
Vol. 24. Advances in Scientific Philosophy (1991)
Vol. 23. Ethical Dimensions of Legal Theory (1991)
Vol. 22. The Social Horizon of Knowledge (1991)
Vol. 21. Probability and Rationality (1990)