Edge cosymmetric graphs. - David Burns; S. F. Kapoor; Phillip A. Ostrand (Discret. Math., 1980)

Hamiltonian path graphs. - Gary Chartrand; S. F. Kapoor; E. A. Nordhaus (J. Graph Theory, 1983)

Edge-clique graphs. - Gary Chartrand; S. F. Kapoor; Terry A. McKee; Farrokh Saba (Graphs Comb., 1991)