Vintage Actors & Actresses - Set of 7 Autograph Letters Signed [OPERA] Would you be so kind

Would you be so kind as to give me the answers to the following questions: (1) Is the Teatro de la Scala subsidized by the city or by the state

signed by both artists on their corresponding bio pages and also by conductor Georg Solti on the front cover (who was probably in the audience)

and other ensembles

one of the most prominent singers of his generation

Fantastic black-and-white photo postcard signed by her

Vintage Actors & Actresses - Set of 7 Autograph Letters Signed [OPERA] Would you be so kindSet of 7 autograph letters signed containing signatures by leading mostly European stage actors and actresses from the mid nineteenth to early twentieth century (ranging from 1854 to 1920), including Adelaide Ristori, Dion Boucicault, Jeanne Julia Bartet, Mistinguett, and Virginia Marini. Sizes range from 3. 5 x 4. 75 inches to 6 x 7. 5 inches. All are in very good condition, not sold separately.