Romansh language the most comprehensive collection of Romansh words, which can also be used in the idioms with the necessary phonetic shifts. The signatories of "Pro Rumantsch" stress that Romansh needs both the idioms and Rumantsch Grischun if it is to improve its chances in today's communication society. In Switzerland, official language use is governed by the "territorial principle": Cantonal law determines which of the four national languages enjoys official status in which part of the territory. Only the federal administration is officially quadrilingual. Romansh is an official language at the federal level, one of the three official languages of the Canton
Romansh language surviving work in Romansh is the "Chianzun dalla guerra dagl Chiaste da Müs" written in the Putèr dialect in 1527 by Gian Travers. It is an epic poem describing the First Musso war which Travers himself had taken part in. Subsequent works usually have religious themes, including Bible translations, manuals for religious instructions, and biblical plays. In 1560, the first Romansh translation of the New Testament: "L'g Nuof Sainc Testamaint da nos Signer Jesu Christ" by Giachem Bifrun, was published. Two years later, in 1562, another writer from the Engadine, Durich Chiampel, published the "Cudesch da Psalms", a collection of