Eager American Horror Story fans are even closer to finding out what the concept will be for season 4.

Thus far, American Horror Story has tackled a haunted house, an insane asylum and witches in its three seasons on the air. Season 4 will find the horror anthology series going back in time.

"It's set in 1950," executive producer Ryan Murphy told Entertainment Weekly this week. "If you look historically what happened in the year 1950, there's some more clues in that year. It's a period piece. We try and do the opposite of what we've done before. Jessica Lange has already started practicing her German accent so I'm very excited!"

1950 in America was a significant year for weeding out communists residing in the country, commonly referred to as the Red Scare. As the show tends to tell stories about the oppression of minority groups, the Red Scare could be a perfect concept for the show to tackle.

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American Horror Story likes to put clues for future seasons in its episodes, and there may have been an obvious clue in the latest episode of Coven.

In the episode Protect the Coven, Fiona (Lange) and Marie Laveau (Angela Bassett) are meeting with the witch hunters when the leader Harrison (Michael Cristofer) mentions communism.

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More clues for season 4 are said to be included in the final two episodes of Coven.

American Horror Story season 4 airs in fall 2014 on FX, though the network has not yet announced a specific premiere date for the new season.

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American Horror Story, American Horror Story Season 4, American Horror Story: Coven