References
Hugues Leblanc
in English
XOn chances and estimated chances of being true
1959
Revue philosophique de Louvain 57/54
On axiomatizing free logic: and inclusive logic in the bargain
1995
in: Québec studies in the philosophy of science, part I, Dordrecht : Springer
A simplified strong completeness proof for Q C =
I-IV
in: Sektionen I-IV, Freiburg-Basel-Wien : Herder