Edgar Allan Poe is the writer of sinister tales, rather than Edgar Allen Poe (Art of darkness, page 12, Review, April 5). Link
Many, many more cataloged here.
UPDATE April 13: Add the New York Times to the list:
An article last Sunday about the Greenwich Village real estate investor William Gottlieb misspelled the middle name of a poet who was treated in a dispensary that Gottlieb came to own more than a century later. He was Edgar Allan Poe, not Allen. Link
