Spanning trees of bounded degree. Czygrinow, Andrzej; Fan, Genghua; Hurlbert, Glenn; Kierstead, H.A.; Trotter, William T. — 2001 The Electronic Journal of Combinatorics [electronic only]
A decomposition theorem for collections of universal subcontinua William T. Trotter — 1971 Colloquium Mathematicae
Bar k -visibility graphs. Dean, Alice M.; Evans, William; Gethner, Ellen; Laison, Joshua D.; Safari, Mohammad Ali; Trotter, William T. — 2007 Journal of Graph Algorithms and Applications