Strindberg, Ibsen & Bergman : essays on Scandinavian film and drama offered to Egil Törnqvist on the occasion of his 65th birthday / ed. by Harry PerridonNoordse letters : opstellen over Scandinavische taal- en letterkunde aangeboden aan An Duits / verz. en gered. door Annelies van Hees, Harry PerridonOppa swänzsko oc oppa dansko : Studien zum Altostnordischen / hrsg. von Harry Perridon und Arend QuakThe noun phrase in Romance and Germanic : structure, variation, and change / ed. by Petra Sleeman. Harry PerridonThe noun phrase in romance and germanic : structure, variation, and change / edited by Petra Sleeman, Harry PerridonLanguage for its own sake : essays on language and literature offered to Harry Perridon / ed. by: Henk van der Liet & Muriel Norde