1. Kenneth L. Cooke (1953): The asymptotic behavior of the solutions of linear and non-linear differential-difference equations. Trans. Amer. Math. Soc, 75, 80–105.
2. Kenneth L. Cooke (1954): The rate of increase of real continuous solutions of algebraic differ ential-difference equations of the first order. Pacific J. Math., 4, 483–501.
3. Kenneth L. Cooke (1955): A non-local existence theorem for systems of ordinary differential equations. Rend. Circ. Mat. Palermo, Ser. II, Tomo 4, 301–308.
4. Kenneth L. Cooke (1955): Forced periodic solutions of a stable non-linear differential-difference equation. Annals of Math. 61, 387–391.
5. Kenneth L. Cooke (1957): Hadamard matrices. With J.L. Brenner, Rev. Ci. Lima 59, 5–13.