This volume covers the most important contributions to and discussions at the international symposium Migrations: interdisciplinary perspectives (1-3, July, University of Vienna), organised by Renée Schroeder and Ruth Wodak which was dedicated to the multiple interdisciplinary dimensions of ?migrations?, both from the viewpoints of the social sciences and humanities as well as from the manifold perspectives of the natural sciences. The book is organized along the following dimensions : (1) urban development and migration, (2) peer relations in immigrant adolescents : methodological challenges and key findings, (3) migration, identity, and belonging, (4) migration in/and ego documents, (5) debating migration, (6) fundamentals of diffusion and spread in the natural sciences and beyond, (7) media representations of migrants and migration, and (8) migration and the genes.