See also the home page of the Legenda book series Studies In Linguistics

4The French Language and Questions of Identity
Edited by Wendy Ayres-Bennett and Mari C. Jones
Studies In Linguistics 4
2Rethinking Languages in Contact: The Case of Italian
Edited by Anna Laura Lepschy and Arturo Tosi
Studies In Linguistics 2
1Multilingualism in Italy Past and Present
Edited by Anna Laura Lepschy and Arturo Tosi
Studies In Linguistics 1