Using computer algorithms and an X-ray scanner designed for dental research, an international team of researchers has unlocked the secrets of a tightly folded letter sealed since 1697. The ...

For instance, a February 8, 1587, letter from Mary, Queen of Scots, to her brother-in-law, King Henri III of France, was sealed using a so-called "butterfly lock"—just one of hundreds of locking ...

Houston Chronicle national reporter Kim Cobb wrote Timothy McVeigh on April 27, following a lengthy interview with his estranged trial attorney, Stephen Jones. The letter was mailed to McVeigh at ...

Letters have a firm 200-word limit and will be edited for grammar, clarity and accuracy. The person who signs the letter must be the author. Anonymous letters will not be considered.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This folded letter originated from ...