Some things do not exist. - Richard Routley (Notre Dame J. Formal Log., 1966)

On Systems Containing Aristotle's Thesis. - Richard Routley; Hugh Alexander Montgomery (J. Symb. Log., 1968)

The Inadequacy of Kripke's Semantical Analysis of D2 and D3. - Richard Routley; Hugh Alexander Montgomery (J. Symb. Log., 1968)

Existence and identity in quantified modal logics. - Richard Routley (Notre Dame J. Formal Log., 1969)

Non-existence does not exist. - Richard Routley (Notre Dame J. Formal Log., 1970)

Conventionalist and contingency-oriented modal logics. - Richard Routley (Notre Dame J. Formal Log., 1971)

The semantics of entailment - II. - Richard Routley; Robert K. Meyer (J. Philos. Log., 1972)

The semantics of entailment - III. - Richard Routley; Robert K. Meyer (J. Philos. Log., 1972)

Choice and descriptions in enriched intensional languages - I. - Richard Routley; Robert K. Meyer; Leonard Goddard (J. Philos. Log., 1974)

Universal semantics? - Richard Routley (J. Philos. Log., 1975)

Algebraic semantics for S20 and necessitated extensions. - Hugh Alexander Montgomery; Richard Routley (Notre Dame J. Formal Log., 1976)

Welding Semantics For Weak Strict Modal Logics into the General Framework of Modal Logic Semantics. - Richard Routley (Math. Log. Q., 1977)

Repairing proofs of Arrow's general impossibility theorem and enlarging the scope of the theorem. - Richard Routley (Notre Dame J. Formal Log., 1979)

Cause as an implication. - Richard Sylvan; Newton Costa (Stud Logica, 1988)

Variations on da Costa C Systems and dual-intuitionistic logics I. Analyses of Cω and CCω. - Richard Sylvan (Stud Logica, 1990)

Simplified semantics for basic relevant logics. - Graham Priest; Richard Sylvan (J. Philos. Log., 1992)

On Interpreting Thruth Tables and Relevant Truth Table Logic. - Richard Sylvan (Notre Dame J. Formal Log., 1992)

Process and Action: Relevant Theory and Logics. - Richard Sylvan (Stud Logica, 1992)

Necessary limits to knowledge: unknowable truths. - Richard Routley (Synth., 2010)

On the Ternary Relation and Conditionality. - J. C. Beall; Ross T. Brady; J. Michael Dunn; Allen Hazen; Edwin D. Mares; Robert K. Meyer; Graham Priest; Greg Restall; David Ripley; John K. Slaney; Richard Sylvan (J. Philos. Log., 2012)

Models for Connexive Logics. - Hugh Alexander Montgomery; Richard Routley (FLAP, 2016)