Besides several papers on birds, insects, and ecology, Gibbs contributed to the books Irian Jaya, Indonesia, 21 January - 12 March 1991.
Neben mehreren wissenschaftlichen Arbeiten über Vögel, Insekten und ökologische Themen war Gibbs an den Büchern Irian Jaya, Indonesia, 21 January – 12 March 1991.