Building a Temporal Logic for Natural Language Understanding with the HOL-system. - Per F. V. Hasle (Natural Language Understanding and Logic Programming Workshop, 1991)

Medieval Logic and Natural Language Understanding. - Peter Øhrstrøm; Per F. V. Hasle (Natural Language Understanding and Logic Programming Workshop, 1991)

Temporal logic - from ancient ideas to artificial intelligence. - Peter Øhrstrøm; Per F. V. Hasle (1995)

Ockhamistic Logics and True Futures of Counterfactual Moments. - Torben Braüner; Per F. V. Hasle; Peter Øhrstrøm (TIME, 1998)

The Flow of Time into Logic - and Computer Science (Column: Logic in Computer Science). - Per F. V. Hasle; Peter Øhrstrøm (Bull. EATCS, 2004)

The Persuasive Expansion - Rhetoric, Information Architecture, and Conceptual Structure. - Per F. V. Hasle (ICCS, 2006)

Preface. - Torben Braüner; Per F. V. Hasle; Peter Øhrstrøm (Synth., 2006)

A.N. Prior's logic. - Peter Øhrstrøm; Per F. V. Hasle (Logic and the Modalities in the Twentieth Century, 2006)

Modern temporal logic: The philosophical background. - Peter Øhrstrøm; Per F. V. Hasle (Logic and the Modalities in the Twentieth Century, 2006)

Classical Rhetoric and a Limit to Persuasion. - Anne-Kathrine Kjær Christensen; Per F. V. Hasle (PERSUASIVE, 2007)

Surveillance, Persuasion, and Panopticon. - Julie Leth Jespersen; Anders Albrechtslund; Peter Øhrstrøm; Per F. V. Hasle; Jørgen Albretsen (PERSUASIVE, 2007)

Persuasive Design. - Per F. V. Hasle; Anne-Kathrine Kjær Christensen (Handbook of Research on Computer Mediated Communication, 2008)

Time in Philosophical Logic. - Peter Øhrstrøm; Per F. V. Hasle (Encyclopedia of Database Systems, 2009)

Persuasive Design - A Different Approach to Information Systems (and Information). - Per Frederik Vilhelm Hasle (Libr. Hi Tech, 2011)

The problem of predestination: as a prelude to A. N. Prior's tense logic. - Per F. V. Hasle (Synth., 2012)

From a logical angle - Some studies in A.N. Prior's ideas on time, discourse and metaphysics. - Peter Øhrstrøm; Per F. V. Hasle (Synth., 2012)

Preface. - Peter Øhrstrøm; Per F. V. Hasle; Ulrik Sandborg-Petersen (Synth., 2012)

Preface. - Jørgen Albretsen; Per F. V. Hasle; Peter Øhrstrøm (Synth., 2016)

Prior's paradigm for the study of time and its methodological motivation. - Per F. V. Hasle; Peter Øhrstrøm (Synth., 2016)

Time in Philosophical Logic. - Peter Øhrstrøm; Per F. V. Hasle (Encyclopedia of Database Systems (2nd ed.), 2018)