Duality and perfection for edges in cliques. - Michael O. Albertson; Karen L. Collins (J. Comb. Theory B, 1984)

Homomorphisms of 3-chromatic graphs. - Michael O. Albertson; Karen L. Collins (Discret. Math., 1985)

A lower bound for 0, 1, * tournament codes. - Karen L. Collins; Peter W. Shor; John R. Stembridge (Discret. Math., 1987)

On a conjecture of Graham and Lovász about distance matrices. - Karen L. Collins (Discret. Appl. Math., 1989)

Factoring distance matrix polynomials. - Karen L. Collins (Discret. Math., 1993)

An inversion relation of multinomial type. - Daniel S. Moak; Konrad J. Heuvers; K. P. S. Bhaskara Rao; Karen L. Collins (Discret. Math., 1994)

Symmetry Breaking in Graphs. - Michael O. Albertson; Karen L. Collins (Electron. J. Comb., 1996)

The number of Hamiltonian paths in a rectangular grid. - Karen L. Collins; Lucia B. Krompart (Discret. Math., 1997)

Circulants and Sequences. - Karen L. Collins (SIAM J. Discret. Math., 1998)

On planar and dismantlable lattices. - Karen L. Collins (Discret. Math., 2002)

Constructions of 3-Colorable Cores. - Karen L. Collins; Benjamin Shemmer (SIAM J. Discret. Math., 2002)

Dependent edges in Mycielski graphs and 4-colorings of 4-skeletons. - Karen L. Collins; Kimberly Tysdal (J. Graph Theory, 2004)

The Distinguishing Chromatic Number. - Karen L. Collins; Ann N. Trenk (Electron. J. Comb., 2006)

Retracts of box products with odd-angulated factors. - Zhongyuan Che; Karen L. Collins (J. Graph Theory, 2007)

Odd-angulated graphs and cancelling factors in box products. - Zhongyuan Che; Karen L. Collins; Claude Tardif (J. Graph Theory, 2008)

Bounds on the Distinguishing Chromatic Number. - Karen L. Collins; Mark Hovey; Ann N. Trenk (Electron. J. Comb., 2009)

The Distinguishing Chromatic Number of Kneser Graphs. - Zhongyuan Che; Karen L. Collins (Electron. J. Comb., 2013)

Nordhaus-Gaddum Theorem for the Distinguishing Chromatic Number. - Karen L. Collins; Ann N. Trenk (Electron. J. Comb., 2013)

Constructing Graphs with No Immersion of Large Complete Graphs. - Karen L. Collins; Megan E. Heenehan (J. Graph Theory, 2014)

Split graphs and Nordhaus-Gaddum graphs. - Christine T. Cheng; Karen L. Collins; Ann N. Trenk (Discret. Math., 2016)

Finding Balance: Split Graphs and Related Classes. - Karen L. Collins; Ann N. Trenk (Electron. J. Comb., 2018)

An upper bound on Wiener Indices of maximal planar graphs. - Zhongyuan Che; Karen L. Collins (Discret. Appl. Math., 2019)

The Distinguishing Number and Distinguishing Chromatic Number for Posets. - Karen L. Collins; Ann N. Trenk (Order, 2022)

Great-circle tree thrackles. - Karen L. Collins; Cleo Roberts (Discret. Math., 2023)

Clique immersion in graph products. - Karen L. Collins; Megan E. Heenehan; Jessica McDonald (Discret. Math., 2023)

Split graphs and block representations. - Karen L. Collins; Ann N. Trenk; Rebecca Whitman (Discret. Math., 2024)

Closed Neighborhood Balanced Coloring of Graphs. - Karen L. Collins; M. Bowie; N. B. Fox; Bryan Freyberg; Jonelle Hook; Alison Marr; Cayla D. McBee; Andrea Semanicová-Fenovcíková; A. Sinko; Ann N. Trenk (Graphs Comb., 2025)