IsoglossW
Isogloss
Benrath lineW
Benrath line
CastlecaryW
Castlecary
Centum and satem languagesW
Centum and satem languages
Harthill, ScotlandW
Harthill, Scotland
Humber-Lune LineW
Humber-Lune Line
Jireček LineW
Jireček Line
Joret lineW
Joret line
La Spezia–Rimini LineW
La Spezia–Rimini Line
Landsker LineW
Landsker Line
Linguistic boundary of BrittanyW
Linguistic boundary of Brittany
Sankt Goar lineW
Sankt Goar line
Speyer lineW
Speyer line
Uerdingen lineW
Uerdingen line
Von Wartburg LineW
Von Wartburg Line
Watford GapW
Watford Gap