I'm not sure if you have discussed Mark Twain's haunted house in Greenwich Village, New York City, before, I haven't found a thread on it.
Mark Twain lived there from 1900 - 1901, and had some experiences in this 'House of Death', as they call it:
https://nyghosts.com/the-house-of-death/
The House of Death – Greenwich Village
Unassuming brownstone in the heart of Greenwich hides a dark and scary past.
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But the most interesting thing about the house is that Jan Bryant Bartell moved there in 1957, and was terrified. She wrote a book about her experience, which I read:
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Spindrift was written in 1974. If you're interested in true haunted house stories, get a copy!
"Jan Bryant Bartell and her daughter took up residency of a spacious apartment on the top floor, In 1957. The famous actress, psychic, and writer moved into the apartment which once housed the servants. Bartell reported almost immediately that “
a monstrous moving shadow” would often follow her around the house. One time she writes that she had seen a ghostly figure of a man standing in a hall. Bravely she reached out and tried to touch whatever she was seeing, she felt something, but nothing like she had felt before, she described it as, “
A substance without substance. Chilly, damp. Diaphanous as marsh mist or a cloud of ether. I could feel my fingers freeze at the tips. They were numb, and yet they tingled. In the split second between contact and recoil, the scent came. Fragile and languorous. And sweet; unbearably, cloyingly sweet.” This unusual scent was not the only odd and bitter scents the Bartell family reported smelling during their time at The House of Death. Food not purchased by them, and already rotting, as if it had been sitting around for days would suddenly appear at the table. Their many small animals would also often become aggressive for no reason as if disturbed by invisible enemies in the building."