Izdevēji Verlag OPERNMOUTH

Cover for Petra Sprenger · Die Hochzeit des Figaro (Hardcover Book) (2016)

Die Hochzeit des Figaro (2016)

Cover for Petra Sprenger · Madame Butterfly – Oper von Giacomo Puccini (Band 9) (Book) (2020)

Madame Butterfly – Oper von Giac... (2020)

Cover for Petra Sprenger · La Traviata – Oper von Giuseppe Verdi (Band 10) (Book) (2023)

La Traviata – Oper von Giuseppe ... (2023)