Finite-product-preserving functors, Kan extensions, and strongly-finitary 2-monads. - G. M. Kelly; Stephen Lack (Appl. Categorical Struct., 1993)

Coinverters and categories of fractions for categories with structure. - G. M. Kelly; Stephen Lack; Robert F. C. Walters (Appl. Categorical Struct., 1993)

Restriction categories I: categories of partial maps. - J. Robin B. Cockett; Stephen Lack (Theor. Comput. Sci., 2002)

Restriction categories II: partial map classification. - J. Robin B. Cockett; Stephen Lack (Theor. Comput. Sci., 2003)

Adhesive Categories. - Stephen Lack; Pawel Sobocinski 001 (FoSSaCS, 2004)

Limits for Lax Morphisms. - Stephen Lack (Appl. Categorical Struct., 2005)

An Operadic Approach to Internal Structures. - Stephen Lack; Simona Paoli (Appl. Categorical Struct., 2005)

Adhesive and quasiadhesive categories. - Stephen Lack; Pawel Sobocinski 001 (RAIRO Theor. Informatics Appl., 2005)

Toposes Are Adhesive. - Stephen Lack; Pawel Sobocinski 001 (ICGT, 2006)

Quasitoposes, Quasiadhesive Categories and Artin Glueing. - Peter T. Johnstone; Stephen Lack; Pawel Sobocinski 001 (CALCO, 2007)

Restriction categories III: colimits, partial limits and extensivity. - J. Robin B. Cockett; Stephen Lack (Math. Struct. Comput. Sci., 2007)

Gabriel-Ulmer duality and Lawvere theories enriched over a general base. - Stephen Lack; John Power (J. Funct. Program., 2009)

Note on the Construction of Free Monoids. - Stephen Lack (Appl. Categorical Struct., 2010)

Icons. - Stephen Lack (Appl. Categorical Struct., 2010)

Foreword - Special Issue Dedicated to the Memory of Professor Gregory Maxwell Kelly. - George Janelidze; Martin Hyland; Michael Johnson; Peter T. Johnstone; Stephen Lack; Ross Street; Walter Tholen; Richard J. Wood (Appl. Categorical Struct., 2011)

Notions of Lawvere Theory. - Stephen Lack; Jirí Rosický (Appl. Categorical Struct., 2011)

Morita Contexts as Lax Functors. - Stephen Lack (Appl. Categorical Struct., 2014)

A Skew-Duoidal Eckmann-Hilton Argument and Quantum Categories. - Stephen Lack; Ross Street (Appl. Categorical Struct., 2014)

A Category of Multiplier Bimonoids. - Gabriella Böhm; Stephen Lack (Appl. Categorical Struct., 2017)

Weak Multiplier Bimonoids. - Gabriella Böhm; José Gómez-Torrecillas; Stephen Lack (Appl. Categorical Struct., 2018)

A special issue on categorical algebras and computation in celebration of John Power's 60th birthday, part I. - Masahito Hasegawa; Stephen Lack; Guy McCusker (Math. Struct. Comput. Sci., 2021)

A special issue on categorical algebras and computation in celebration of John Power's 60th birthday, part II. - Masahito Hasegawa; Stephen Lack; Guy McCusker (Math. Struct. Comput. Sci., 2022)