Difference Sets Disjoint from a Subgroup III: The Skew Relative Cases. - Gradin Anderson; Andrew Haviland; Mckay Holmes; Stephen P. Humphries; Bonnie Magland (Graphs Comb., 2023)

Difference Sets Disjoint from a Subgroup IV: The Skew Relative Cases with Added Symmetry. - Andrew Haviland; Stephen P. Humphries (Graphs Comb., 2025)