The case of the choral opera class and measures to establish in the future normal completion of the opera choir

Title	The case of the choral opera class and measures to establish in the future normal completion of the opera choir
Series	Cases of the St. Petersburg Office of the Directorate of Imperial Theaters and the Cases of the Moscow Office of the Directorate of Imperial Theaters
Fonds	Directorate of Imperial Theaters MFA
Display format	Full description RUSMARC

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