Map of major dialect continua in Europe.
All but East Romance from map 1-1 (page 6) of
Chambers, J.K.; Trudgill, Peter (1998), Dialectology (2nd ed.), Cambridge University Press, ISBN 978-0-521-59646-6.
East Romance from Map 5 (page 718) of
Chelysheva, I.I.; Narumov, B.P.; Romanova, O.I. (2001), Yazyki mira: Romanskiye yazyki [Languages of the World: Romance languages], Institute of Linguistics, Russian Academy of Sciences, ISBN 5-87444-016-X.
File:Dialect continua in Europe.svg
base map: User:Maix and User:Alphathon
additions: User Kanguole
derivative: User Kanguole