The Conspiracy Theorist alternatives: newsletters like it
5 newsletters in the NewsletterFIT index cover the same topics as The Conspiracy Theorist (Cold War espionage, 1970s history and historical crime). The closest matches are The Toronto Time Traveller, Tales From the Underworld and KGB Stuff by Filip Kovacevic. They are ranked by how many topics they share with it, then by publicly shown subscribers.
Updated Nov 11, 2026 · ranked by shared topics, then publicly shown subscribers · methodology
About The Conspiracy Theorist
Connecting dots to illuminate history's greatest mysteries.
- Cold War espionage
- 1970s history
- historical crime
- kidnapping
- 1The Toronto Time Traveller4K subscribers
SubstackMonthly or less · last post Sep 9, 2026
From recent posts: The Toronto Time Traveller publishes historical essays, event announcements, and interviews focused on Toronto's past, ranging from local crime and aviation accidents to sports legends and colonial origins. The…
Likely audience: History enthusiasts
1 shared topic
- 2Tales From the Underworld2K subscribers
SubstackSeveral times a week · last post 8 days ago
True crime publication digging into history’s darkest cases—murders, disappearances, organized crime, serial killers, cold cases, and long-buried mysteries. We focus on the unsolved, the unexplained, and the…
Likely audience: Cold case investigators
1 shared topic
- 3KGB Stuff by Filip Kovacevic1K subscribers
SubstackMonthly or less · last post 14 days ago
Likely audience: History researchers
1 shared topic
- 4
GhostWeekly · last post 28 days ago
An entirely reader funded publication that puts the working class first. We’re fiercely critical and dedicated to investigating stories and exploring ideas no one else will.
Likely audience: History researchers
1 shared topic
- 5
SubstackEvery two weeks · last post 9 days ago
Likely audience: History enthusiasts
1 shared topic
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