skos:altLabel | - Thomas Marshall
- disappearance
- Flannan Islands
- Flannan Isles
- Donald McArthur
- Curse of Flannan Lighthouse
- James Ducat
- mysteriously disappeared
- three lighthouse-keepers disappeared without explanation
- strange disappearance
- mysterious disappearance of three lighthouse keepers
- 1900 disappearance of the Flannan Isles Lighthouse crew
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