1
by Hintikka, Jaakko
Published 1966
North-Holland
...Studies in Logic and the Foundations of Mathematics...

2
by Nagel, Ernest
Published 1966
North-Holland
...Studies in Logic and the Foundations of Mathematics...

3
by Suppes, Patrick
Published 1973
North-Holland Pub. Co.
...Studies in logic and the foundations of mathematics...

4
by Henkin, Leon
Published 1959
North-Holland
...Studies in Logic and the Foundations of Mathematics...