Numero monografico dedicato a: Analisi le differenti pratiche, usi e significati del taglio per l'umanità e le scienze sociali | Contiene: Introduction. The art system; Project spaces at the border of artistic legitimation; Literature review; Methodology and sample; 1. Identity of project spaces; 2. Organisation of project spaces; 3. Relations and Network analysis; Conclusions. A morphology of project spaces