Old radio with East German stations marked by tape at the former STASI or state secret police headquarters now museum in Berlin Germany

On the Stasi trail in Berlin, Berlin holidays

A look into the STASI (secret police of the DDR) & the DDR-republic - Reviews, Photos - Stasimuseum - Tripadvisor

Inside Berlin's former Stasi headquarters and notorious prison – Past In The Present

During the Cold War, did West and East Germany block each other's radio broadcast so their residents could not hear it? - Quora

An uncertain future for Berlin's former Stasi headquarters – DW – 01/20/2021

Stasi headquarters hi-res stock photography and images - Alamy

Stasi Museum Berlin brings alive Stasi terror

All-pervasive Stasi network revealed – DW – 06/11/2019

THE STASI MUSEUM, BERLIN

East Germany and the Frontiers of Power

Stasi - Wikipedia

Spies, ruins and secret cameras: The best Stasi exhibitions in Berlin - Exberliner

German Exhibit Reveals Secret Stasi Spy Photos : The Picture Show : NPR

History of espionage - Wikipedia

An uncertain future for Berlin's former Stasi headquarters – DW – 01/20/2021