Juan Gris was a close friend of hers. From 1911 on, Rij-Rousseau showed her works in Salon d'Automne, Salon des Indépendants and Salon Tuileries. In 1920, she was a member of the artist circle called Section d'Or. She often traveled to South France, especially to Céret, and also to Germany, Belgium and Switzerland. Her paintings were displayed in Zurich, Brussels, New York, and Boston.