On the edge-connectivity vector of a graph. - Linda M. Lesniak; Raymond E. Pippert (Networks, 1989)

A Survey of Integrity. - Kunwarjit S. Bagga; Lowell W. Beineke; Wayne Goddard; Marc J. Lipman; Raymond E. Pippert (Discret. Appl. Math., 1992)

On a leverage problem in the hypercube. - Peter Hamburger; Raymond E. Pippert; William Douglas Weakley (Networks, 1992)

On the honesty of graph complements. - Kunwarjit S. Bagga; Lowell W. Beineke; Marc J. Lipman; Raymond E. Pippert (Discret. Math., 1993)

Edge-integrity: a survey. - Kunwarjit S. Bagga; Lowell W. Beineke; Marc J. Lipman; Raymond E. Pippert (Discret. Math., 1994)

on the Steiner Median of a Tree. - Lowell W. Beineke; Ortrud Oellermann; Raymond E. Pippert (Discret. Appl. Math., 1996)

Hamilton Cycles in Planar Graphs and Venn Diagrams. - Kiran B. Chilakamarri; Peter Hamburger; Raymond E. Pippert (J. Comb. Theory B, 1996)

Hypercube subgraphs with minimal detours. - Paul Erdös; Peter Hamburger; Raymond E. Pippert; William D. Weakley (J. Graph Theory, 1996)

The average connectivity of a graph. - Lowell W. Beineke; Ortrud Oellermann; Raymond E. Pippert (Discret. Math., 2002)

A Symmetrical Beauty. A Non-simple 7-Venn Diagram With A Minimum Vertex Set. - Peter Hamburger; Raymond E. Pippert (Ars Comb., 2003)

Multidimensional bipartite trees. - Lowell W. Beineke; Raymond E. Pippert (Discret. Math., 2003)