%0 Journal Article %T On Double-Headed Relative Clauses %A Guglielmo Cinque %J Lingu¨ªstica : Revista de Estudos Lingu¨ªsticos da Universidade do Porto %D 2011 %I Universidade do Porto %X The present article documents the presence in a number of languages and language families (as well as in various child languages) of relative clauses displaying simultaneously an internal and an external head, and considers the implications of this finding for the general theory of relative clauses. %K Double-headed relative clauses %K general theory on relative clauses %K cross-linguistic comparison. %U http://ler.letras.up.pt/uploads/ficheiros/9914.pdf