The genus of nearly complete garphs-case 6. (Short Communication). Jonathan L. Gross — 1975 Aequationes mathematicae
A combinatorial characterization of planar 2-complexes Jonathan L. Gross; Ronald H. Rosen — 1981 Colloquium Mathematicae
Genus distribution of graphs under surgery: adding edges and splitting vertices. Gross, Jonathan L. — 2010 The New York Journal of Mathematics [electronic only]