Walter Capps
(1965). "Being and Becoming" and "God and the World": An Analysis of Whitehead's Account of their Early Association. Revue philosophique de Louvain, 63 (80), 572-590.
(1998). Discerning Husserl's philosophy in Havel's proposals. In A. Tymieniecka (ed.) Ontopoietic expansion in human self-interpretation-in-existence (pp. 259-266). Dordrecht: Kluwer.