1
Published 1968
North-Holland Publishing Company
...Studies in Logic and the Foundations of Mathematics...

2
by Marcus, Ruth Barcan
Published 1986
North-Holland
...Studies in logic and the foundations of mathematics...

4
by Beth, Evert Willem
Published 1959
Elsevier Science
...Studies in Logic and the Foundations of Mathematics...

5
by Nagel, Ernest
Published 1966
North-Holland
...Studies in Logic and the Foundations of Mathematics...

6
by Fenstad, Jens Erik
Published 1989
North-Holland
...Studies in logic and the foundations of mathematics...