Scott sentences and a problem of Vaught for mono-uary algebras Stanley Burris (1973) Fundamenta Mathematicae
Second order forcing, algebraically closed structures, and large cardinals G. Cherlin (1975) Fundamenta Mathematicae
Set existence principles of Shoenfield, Ackermann, and Powell W. Reinhardt (1974) Fundamenta Mathematicae
Some model theory for monotone quantifiers. J.A. Makowsky, S. Tulipani (1977) Archiv für mathematische Logik und Grundlagenforschung
Structures for a logic with additional generalized quantifier Guus Broesterhuizen (1975) Colloquium Mathematicae