Johannes Christian Roos was a German Roman Catholic clergyman. He was Bishop of Limburg from 1885 to 1886 and Archbishop of Freiburg from 1886 until his death ten years later.
Bibliography (in German)
• Klaus Schatz: Geschichte des Bistums Limburg. Mainz 1983. • Christoph Schmider: Die Freiburger Bischöfe: 175 Jahre Erzbistum Freiburg. Eine Geschichte in Lebensbildern. Freiburg i. Br.: Herder Verlag, 2002. . ==Sources==