The theory of differentially closed fields in logics with cardinal quantifiers. J. Cowles — 1977 Archiv für mathematische Logik und Grundlagenforschung
The theory of Archimedean real closed fields in logics with Ramsey quantifiers J. Cowles — 1979 Fundamenta Mathematicae
Generalized Archimedean fields and logics with Malitz quantifiers J. Cowles — 1981 Fundamenta Mathematicae
Congruence properties of the number of solutions of some equations. S. Chowla; J. Cowles; M. Cowles — 1978 Journal für die reine und angewandte Mathematik
The number of zeroes of x3 + y3 + cz3 in certain finite fields. S. Chowla; J. Cowles; M. Cowles — 1978 Journal für die reine und angewandte Mathematik