1. J. Barwise. Notes on forcing and countable fragments. mimeographed 1970 (unpublished).
2. Completing theories by forcing;Barwise;Ann. Math. Logic,1970
3. Computability and Logic;Boolos,1974
4. Model-Theoretic Forcing with a Generalized Quantifier;Bruce,1975
5. K. Bruce, Robinson-style forcing in logic with a generalized quantifier, in preparation.