Romansh language Grisons, the language borders largely stabilized in the 16th century and remained almost unchanged until the 19th century. This language area is often called the "Traditional Romansh-speaking territory", a term introduced by the statistician Jean-Jacques Furer based on the results of the Swiss censuses. Furer defines this language area as those municipalities in which a majority declared Romansh as their mother tongue in any of the first four Swiss censuses between 1860 and 1888. In addition, he includes Fürstenau. This represented 121 municipalities at the time, corresponding to 116 present-day municipalities. The villages of Samnaun, Sils im Domleschg, Masein, and
Romansh language earlier, pre-literature tradition of using Romansh in administrative and legal situations, of which no evidence survives. In their prefaces, the authors themselves often mention the novelty of writing Romansh, and discuss an apparently common prejudice that Romansh was a language that could not be written. The first writing in the Sursilvan and Sutsilvan dialects appears in the 17th century. As in the Engadine, these early works usually focused on religious themes, in particular the struggles between Protestants and Counter-Reformers. Daniel Bonifaci produced the first surviving work in this category, the catechism "Curt mussameint dels principals punctgs della Christianevla Religiun", published