Title: Ti︠u︡rʹma Trubet︠s︡kogo bastiona Petropavlovskoĭ kreposti
Subjects: Trubetskoy bastion (Petropavlovskai͡a krepostʹ, Saint Petersburg, Russia), Prisons, Political prisoners
Places: Russia (Federation), Saint Petersburg, Petropavlovskai͡a krepostʹ (Saint Petersburg, Russia)