Among biblical, historical and genre scenes, Roos preferred subjects involving animals: the shepherds of the nativity, Venus and Adonis.
Johann Sebastian Bach | Johann Wolfgang von Goethe | Heinrich Himmler | Johann Strauss II | Heinrich Heine | St. Johann in Tirol | Heinrich Schütz | Johann Heinrich Pestalozzi | Heinrich von Kleist | Johann Albert Fabricius | Johann Christian Bach | Heinrich Böll | Johann Georg Wagler | Johann Pachelbel | Johann Nepomuk Hummel | Johann Gottfried Herder | Heinrich Isaac | Johann Nestroy | Heinrich Marschner | Baron Hans Heinrich Thyssen-Bornemisza | Johann Joachim Winckelmann | Johann Gottlieb Fichte | Johann Bernhard Fischer von Erlach | Johann Homann | Johann Friedrich Böttger | Heinrich Mann | Heinrich Hertz | Heinrich Graetz | Heinrich Böll Foundation | Christian Heinrich Friedrich Peters |
His works are after Roos, Van der Does, Hackert, and Schutz, and consist of costumes and manners of the French before the Revolution, illustrations of books, and other miscellaneous subjects.