Doubling: The Semantic Driving Force Behind Functional Categories. - Hedde Zeijlstra (TbiLLC, 2005)

Negation in Natural Language: On the Form and Meaning of Negative Elements. - Hedde Zeijlstra (Lang. Linguistics Compass, 2007)

On the Scopal Interaction of Negation and Deontic Modals. - Sabine Iatridou; Hedde Zeijlstra (Amsterdam Colloquium on Logic, Language and Meaning, 2009)

Negative Concord in Afrikaans: filling a typological gap. - Theresa Biberauer; Hedde Zeijlstra (J. Semant., 2012)

Concord and Doubling Phenomena: an Introduction†. - Paul Dekker; Hedde Zeijlstra (J. Semant., 2012)

Diachronic Developments in the Domain of Negation. - Hedde Zeijlstra (Lang. Linguistics Compass, 2016)