I recently discovered this paper (Tempered by War: the military experiences of Vietnam decision makers) by Aurilie Basha i Novosejt and Christopher J. McNulty. When I initially published this blog,I expressed hope that scholars would dig deeper into McNaughton's diaries and other archival material to provide more insight into his influences. The Basha i Novosejt/McNulty paper, which discusses McNaughton, Walter Rostow, and Roger Hilsman, offers interesting descriptions and analyses of McNaughton's wartime experience.
Full article: Tempered by war: the military experiences of Vietnam decision-makers