A characterization of graphs of competition number m. - J. Richard Lundgren; John S. Maybee (Discret. Appl. Math., 1983)

Inverting graphs of rectangular matrices. - Harvey J. Greenberg; J. Richard Lundgren; John S. Maybee (Discret. Appl. Math., 1984)

On signed digraphs with all cycles negative. - Frank Harary; J. Richard Lundgren; John S. Maybee (Discret. Appl. Math., 1985)

Niche graphs. - Charles Cable; Kathryn Fraughnaugh Jones; J. Richard Lundgren; Suzanne M. Seager (Discret. Appl. Math., 1989)

(i, j) competition graphs. - Kim A. S. Hefner; Kathryn Fraughnaugh Jones; Suh-Ryung Kim; J. Richard Lundgren; Fred S. Roberts (Discret. Appl. Math., 1991)

Biclique coverings of regular bigraphs and minimum semiring ranks of regular matrices. - David A. Gregory; Norman J. Pullman; Kathryn Fraughnaugh Jones; J. Richard Lundgren (J. Comb. Theory B, 1991)

Two-step graphs of trees. - J. Richard Lundgren; Craig W. Rasmussen (Discret. Math., 1993)

Interval competition graphs of symmetric diagraphs. - J. Richard Lundgren; Craig W. Rasmussen; John S. Maybee (Discret. Math., 1993)

Competition Graphs of Strongly Connected and Hamiltonian Digraphs. - Kathryn Fraughnaugh; J. Richard Lundgren; Sarah K. Merz; John S. Maybee; Norman J. Pullman (SIAM J. Discret. Math., 1995)

The p-Competition Graphs of Strongly Connected and Hamiltonian Digraphs. - J. Richard Lundgren; Patricia A. McKenna; Larry J. Langley; Sarah K. Merz; Craig W. Rasmussen (Ars Comb., 1997)

The domination and competition graphs of a tournament. - David C. Fisher; J. Richard Lundgren; Sarah K. Merz; K. Brooks Reid (J. Graph Theory, 1998)

Niche graphs and mixed pair graphs of tournaments. - Steve Bowser; Charles Cable; J. Richard Lundgren (J. Graph Theory, 1999)

Domination Graphs with Nontrivial Components. - David C. Fisher; David R. Guichard; J. Richard Lundgren; Sarah K. Merz; K. Brooks Reid (Graphs Comb., 2001)

Domination graphs of regular tournaments. - Han Hyuk Cho; Suh-Ryung Kim; J. Richard Lundgren (Discret. Math., 2002)

Domination Graphs of Tournaments with Isolated Vertices. - David C. Fisher; J. Richard Lundgren; David R. Guichard; Sarah K. Merz; K. Brooks Reid (Ars Comb., 2003)

Bipartite probe interval graphs, circular arc graphs, and interval point bigraphs. - David E. Brown; J. Richard Lundgren (Australas. J Comb., 2006)

Quadrangularity and strong quadrangularity in tournaments. - J. Richard Lundgren; K. B. Reid; Simone Severini; Dustin J. Stewart (Australas. J Comb., 2006)

P/d-Graphs of Tournaments. - Faun C. C. Doherty; J. Richard Lundgren (Ars Comb., 2007)

The Domination Graphs of Complete Paired Comparison Digraphs. - J. Richard Lundgren; K. Brooks Reid; Dustin J. Stewart (Ars Comb., 2007)

Interval Tournaments. - David E. Brown; Arthur H. Busch; J. Richard Lundgren (J. Graph Theory, 2007)

A characterization of cycle-free unit probe interval graphs. - David E. Brown; J. Richard Lundgren; Li Sheng 001 (Discret. Appl. Math., 2009)

A characterization of k-trees that are interval p-graphs. - J. Richard Lundgren; Breeann Flesch (Australas. J Comb., 2011)

A characterization of 2-tree probe interval graphs. - David E. Brown; Breeann Flesch; J. Richard Lundgren (Discuss. Math. Graph Theory, 2014)