Bulgarian Umbrella (replica) | International Spy Museum
Poisoned umbrella and radioactive tea: How Russians in UK have died | Daily Mail Online
Alexander Litvinenko: the man who solved his own murder | Alexander Litvinenko | The Guardian
What's the deal with Russia and poison? - Quora
Russian poisoning: UK journalist was poisoned by KGB with umbrella amid new allegations | World | News | Express.co.uk
The poison-tipped umbrella: the death of Georgi Markov in 1978 - archive | Bulgaria | The Guardian
A Brief History of Attempted Russian Assassinations by Poison – Foreign Policy
The poison-tipped umbrella: the death of Georgi Markov in 1978 - archive | Bulgaria | The Guardian
Poisoning of Alexander Litvinenko - Wikipedia
Russian history contains many mysterious attacks and poisonings
Navalny blames Russian intelligence for 'poisoning' attack | Vladimir Putin News | Al Jazeera
SpecGhost on Twitter: "In Sept.1978,#GeorgiMarkov was waiting for bus near #London,#UK, when a man jabbed him in leg with an umbrella. He immediately fell ill & was rushed to hospital. #Umbrella,as it
Document Friday: The Poisonous Umbrella and the Assassination of Georgi Markov | UNREDACTED
Navalny and Russia's arsenal of exotic poisons - BBC News
Russia's Enemies Keep Getting Poisoned — Here Are 7 Crazy Stories
Poisoned umbrella and radioactive tea: How Russians in UK have died | Daily Mail Online
The True History of the Umbrella Gun, a Surprisingly Serious Weapon - Atlas Obscura
For Russian intelligence, poison has long been weapon of choice - Los Angeles Times
Umbrella Assassin: Clues and Evidence | Secrets of the Dead | PBS
Britain's Spy Mystery: A Slow Death by Poison - The New York Times
Georgi Markov - Wikipedia
Document Friday: The Poisonous Umbrella and the Assassination of Georgi Markov | UNREDACTED
German man stabbed with poison umbrella dies a year after attack which has chilling echoes of infamous Markov assassination | Daily Mail Online
Russia: British Police Investigating Litvinenko Poisoning Case
Poisoned umbrellas and polonium: Russian-linked UK deaths | Russia | The Guardian
Under Russian Terror, All Exiles Are Fearful and All Deaths Are Suspicious | The New Yorker
Bulgarian umbrella - Wikipedia
