| Title CZ | Žaloba proti neznámému | 
		| Subtitle CZ | opera o třech dějstvích | 
		| Title EN | Accusation Against the Unknown | 
		| Subtitle EN | opera in three acts | 
		| Title DE | Anklage gegen Unbekannt | 
		| Subtitle DE | Oper in drei Aufzügen | 
		| Title FR | Plainte contre inconnu | 
		| Subtitle FR | opéra en trois actes | 
		| Category | Stage Works and Film Music | 
		| Subcategory | Operas | 
		| Halbreich number | 344 | 
					| Author of lyrics/libretto | 
				
											Martinů, Bohuslav 
									 | 
			
							| Author of literary model | 
				
											Neveux, Georges 
									 | 
			
		
		| Parts of the composition (movements) | Overture (Andante); 1st scene (Prascovie, procurator); 2nd scene (Prascovie, procurator, Dora Tambov, Michel Tambov, Plouchkin, Kopak); 3rd scene (unfinished; Prascovie, procurator, Dora Tambov, Michel Tambov, Plouchkin, Kopak). | 
		
		| Durata | 29' 45'' | 
		| Instruments | 3232-4231-Timp-Batt-Pf-Archi | 
				
		| List of characters | Prascovie (mS), procurator (B, Bar), Dora Tambov (S), Michel Tambov (T), Plouchkin (B), Kopak (T), Pacha (S), woman (A), chorus. |