Much of his work still survives today and shows that he visited Spain in 1908, Pontresina in 1909, Egypt in 1910 and Biskra in 1911.
She later went to visit Strauss at Pontresina in 1948 to study with him the Four Last Songs and the role of the Marschallin in Der Rosenkavalier, and it was as the Marschallin that she ended her career at the San Carlo theatre in Naples.