Tropical matrix duality and Green's relation. - Christopher Hollings; Mark Kambites (J. Lond. Math. Soc., 2012)

The mathematical correspondence of Ada Lovelace and Augustus De Morgan. - Christopher Hollings (Ada Lovelace Symposium, 2015)

Abraham Robertson, the Binomial Theorem, and the Nature of Plagiarism in Mathematics. - Christopher D. Hollings (Am. Math. Mon., 2025)