All Polytopes Are Quotients, and Isomorphic Polytopes Are Quotients by Conjugate Subgroups. - Michael I. Hartley (Discret. Comput. Geom., 1999)

Polytopes of finite type. - Michael I. Hartley (Discret. Math., 2000)

Quotients of Some Finite Universal Locally Projective Polytopes. - Michael I. Hartley (Discret. Comput. Geom., 2003)

User Mediated Hypermedia Presentation Generation on the Semantic Web Framework. - Jayan Chirayath Kurian; Payam M. Barnaghi; Michael Ian Hartley (ICAT, 2006)

Semantics-based Dynamic Hypermedia Adaptation using the Hidden Markov Model. - Jayan Chirayath Kurian; Payam M. Barnaghi; Michael Ian Hartley (SEMPS, 2006)

An Atlas of Small Regular Abstract Polytopes. - Michael I. Hartley (Period. Math. Hung., 2006)

An exploration of locally projective polytopes. - Michael I. Hartley (Comb., 2008)

A new Petrie-like construction for abstract polytopes. - Michael I. Hartley; Dimitri Leemans (J. Comb. Theory A, 2008)

On locally spherical polytopes of type {5, 3, 5}. - Michael I. Hartley; Dimitri Leemans (Discret. Math., 2009)

Polytopes derived from sporadic simple groups. - Michael Ian Hartley; Alexander Hulpke (Contributions Discret. Math., 2010)

Covers P for Abstract Regular Polytopes Q such that Q=P/Zpk. - Michael I. Hartley (Discret. Comput. Geom., 2010)

Representing the sporadic Archimedean polyhedra as abstract polytopes. - Michael I. Hartley; Gordon I. Williams (Discret. Math., 2010)

Two atlases of abstract chiral polytopes for small groups. - Michael Ian Hartley; Isabel Hubard; Dimitri Leemans (Ars Math. Contemp., 2012)

Minimal covers of the prisms and antiprisms. - Michael I. Hartley; Daniel Pellicer; Gordon I. Williams (Discret. Math., 2012)

Cheryl's Birthday. - Hans van Ditmarsch; Michael Ian Hartley; Barteld Kooi; Jonathan Welton; Joseph B. W. Yeo (TARK, 2017)