with Baseheart, M.C. , McAlister, L. , Stein, W. (1995). Edith Stein (1891–1942). In Contemporary women philosophers, 1900-today (pp. 157-187). Dordrecht: Springer.
with McAlister, L. (1995). Gerda Walther (1897–1977). In Contemporary women philosophers, 1900-today (pp. 189-206). Dordrecht: Springer.
(1982). The development of Franz Brentano's ethics. Amsterdam: Rodopi.
(1977). Gerda Walther (1897-1977). Aletheia. An International Journal of Philosophy, 1 (1), 227-228.
(ed) (1976a). The philosophy of Brentano. London: Duckworth.