Introduction. Acknowledgements. J. Hintikka: Language-Games.- J. Hintikka: Quantifiers in Logic and Quantifiers in Natural Languages.- J. Hintikka: Quantifiers vs. Quantification Theory.- J. Hintikka: Quantifiers in Natural Language: Some Logical Problems.- C. Peacocke: Game-Theoretic Semantics, Quantifiers and Truth: Comments on Professor Hintikka's Paper.- J. Hintikka: Rejoinder to Peacocke.- J. Hintikka and E. Saarinen: Semantical Games and the Bach-Peters Paradox.- J. Hintikka and L. Carlson: Conditionals, Pronominalization by Quantifiers, and Other Applications of Subgames.- E. Saarinen: Backwards-Looking Operators in Tense Logic and in Natural Language.- E. Saarinen: Intentional Identity Interpreted: A Case Study of the Relations among Quantifiers, Pronouns, and Propositional Attitudes -J. Hintikka: The Ross Paradox as Evidence for the Reality of Semantical Games.- V. Rantala: Urn Models: A New Kind of Non-Standard Model for First-Order Logic.- J. Hintikka: Impossible Possible Worlds Vindicated.- Index of Names. Index of Subjects.