Two systems of presupposition logic. - J. M. Bell; Lloyd Humberstone (Notre Dame J. Formal Log., 1977)

Interval semantics for tense logic: Some remarks. - I. L. Humberstone (J. Philos. Log., 1979)

From worlds to possibilities. - I. L. Humberstone (J. Philos. Log., 1981)

Meeting of the Association for Symbolic Logic: Melbourne, Australia 1979. - John N. Crossley; Lloyd Humberstone (J. Symb. Log., 1981)

Inaccessible worlds. - I. L. Humberstone (Notre Dame J. Formal Log., 1983)

Halldén-completeness by gluing of Kripke frames. - I. L. Humberstone; J. F. A. K. van Benthem (Notre Dame J. Formal Log., 1983)

Extensionality in sentence position. - Lloyd Humberstone (J. Philos. Log., 1986)

Semicomplemented Lattices and the Finite Model Property. - I. L. Humberstone; A. J. Lock (Math. Log. Q., 1986)

The modal logic of 'all and only'. - I. L. Humberstone (Notre Dame J. Formal Log., 1987)

The lattice of extensional connectives: A correction. - Lloyd Humberstone (J. Philos. Log., 1988)

Operational semantics for positive R. - I. L. Humberstone (Notre Dame J. Formal Log., 1988)

Expressive power and semantic completeness: Boolean connectives in modal logic. - I. L. Humberstone (Stud Logica, 1990)

Functional dependencies, supervenience, and consequence relations. - I. L. Humberstone (J. Log. Lang. Inf., 1993)

The Logic of Non-contingency. - Lloyd Humberstone (Notre Dame J. Formal Log., 1995)

Valuational semantics of rule derivability. - Lloyd Humberstone (J. Philos. Log., 1996)

A Basic System of Congruential-to-Monotone Bimodal Logic and Two of its Extensions. - Lloyd Humberstone (Notre Dame J. Formal Log., 1996)

Intrinsic/extrinsic. - I. L. Humberstone (Synth., 1996)

Singulary Extensional Connectives: A Closer Look. - I. L. Humberstone (J. Philos. Log., 1997)

Inverses for Normal Modal Operators. - Lloyd Humberstone; Timothy Williamson (Stud Logica, 1997)

Note on Supervenience and Definability. - Lloyd Humberstone (Notre Dame J. Formal Log., 1998)

The Revival of Rejective Negation. - Lloyd Humberstone (J. Philos. Log., 2000)

An Intriguing Logic with Two Implicational Connectives. - Lloyd Humberstone (Notre Dame J. Formal Log., 2000)

The Pleasures of Anticipation: Enriching Intuitionistic Logic. - Lloyd Humberstone (J. Philos. Log., 2001)

The Modal Logic of Agreement and Noncontingency. - Lloyd Humberstone (Notre Dame J. Formal Log., 2002)

False Though Partly True - An Experiment in Logic. - Lloyd Humberstone (J. Philos. Log., 2003)

Similarity Relations and the Preservation of Solidity. - Allen Hazen; Lloyd Humberstone (J. Log. Lang. Inf., 2004)

Archetypal Forms of Inference. - Lloyd Humberstone (Synth., 2004)

Weaker-to-Stronger Translational Embeddings in Modal Logic. - Lloyd Humberstone (Advances in Modal Logic, 2006)

Identical Twins, Deduction Theorems, and Pattern Functions: Exploring the Implicative BCSK Fragment of S5. - Lloyd Humberstone (J. Philos. Log., 2006)

Variations on a Theme of Curry. - Lloyd Humberstone (Notre Dame J. Formal Log., 2006)

Extensions of Intuitionistic Logic without the Deduction Theorem: Some Simple Examples. - Lloyd Humberstone (Reports Math. Log., 2006)

The Relevant Equivalence Property. - Lloyd Humberstone; Robert K. Meyer (Log. J. IGPL, 2007)

Investigations into a left-structural right-substructural sequent calculus. - Lloyd Humberstone (J. Log. Lang. Inf., 2007)

Modal Logic for Other-World Agnostics: Neutrality and Halldén Incompleteness. - Lloyd Humberstone (J. Philos. Log., 2007)

Replacing Modus Ponens With One-Premiss Rules. - Lloyd Humberstone (Log. J. IGPL, 2008)

Collapsing Modalities. - Lloyd Humberstone (Notre Dame J. Formal Log., 2009)

On a conservative extension argument of Dana Scott. - Lloyd Humberstone (Log. J. IGPL, 2011)

Variation on a Trivialist Argument of Paul Kabay. - Lloyd Humberstone (J. Log. Lang. Inf., 2011)

Minimally Congruential Contexts: Observations and Questions on Embedding E in K. - Lloyd Humberstone (Notre Dame J. Formal Log., 2012)

Replacement in Logic. - Lloyd Humberstone (J. Philos. Log., 2013)

Aggregation and Idempotence. - Lloyd Humberstone (Rev. Symb. Log., 2013)

Inverse Images of Box Formulas in Modal Logic. - Lloyd Humberstone (Stud Logica, 2013)

Prior's OIC nonconservativity example revisited. - Lloyd Humberstone (J. Appl. Non Class. Logics, 2014)

Note on Extending Congruential Modal Logics. - Lloyd Humberstone (Notre Dame J. Formal Log., 2016)

An Abelian Rule for BCI - and Variations. - Tomasz Kowalski; Lloyd Humberstone (Notre Dame J. Formal Log., 2016)

James W. Garson, Modal Logic for Philosophers. Second Edition, Cambridge University Press, Cambridge, 2013, pp. 506. ISBN: 978-1107609525 (paperback) $44.99. - Lloyd Humberstone (Stud Logica, 2016)

Classically Archetypal Rules. - Tomasz Polacik; Lloyd Humberstone (Rev. Symb. Log., 2018)

Recent Thought on Is and Ought: Connections, Confluences and Rediscoveries. - Lloyd Humberstone (FLAP, 2019)

Twins in Logic - Identical and Otherwise. - Lloyd Humberstone (FLAP, 2020)

Explicating Logical Independence. - Lloyd Humberstone (J. Philos. Log., 2020)

When is a Schema Not a Schema? On a Remark by Suszko. - Lloyd Humberstone; Allen Hazen (Stud Logica, 2020)

Idempotent Variations on the Theme of Exclusive Disjunction. - Lloyd Humberstone (Stud Logica, 2022)

Contrariety re-encountered: nonstandard contraries and internal negation**. - Lloyd Humberstone (Log. J. IGPL, 2023)