Special exhibitions of Toos van Holstein's work, about themes such as The Divina Commedia by Dante, the pilgrimage to Santiago de Compostela, the Iliad, and Odysseus by Homer, have been held at various prestigious venues. These include the Saint Martins Church in Franeker (The Netherlands), Museum Het Petershuis in Gennep (The Netherlands), Fort Rammekens (Vlissingen, the Netherlands), Austin Friars Church (City of London, Great Britain), and Museum St Paul de Vence in St Paul de Vence (France). She was also an artist in residence in Beijing. Her work is also known through exhibitions in galleries in foreign countries.