Columbia subject headings:
Harvard subject headings:
Ligia romontscha (Graubünden, Switzerland)--History.
Raeto-Romance language--Switzerland--Surselva--History.
Raeto-Romance language--Switzerland--Surselva--Societies, etc.--History.
Surselva romontscha--History.
Uniun Romontscha Renania--History.
Princeton subject headings:
Ligia romontscha (Graubünden, Switzerland)--History.
Raeto-Romance language--Switzerland--Surselva--History.
Raeto-Romance language--Switzerland--Surselva--Societies, etc.--History.
Surselva romontscha--History.
Uniun Romontscha Renania--History.