How to cite locked letters
Welcome to our Unlocking History page dedicated to citing locked letters. On each UH page, scroll down to the bottom of the page to locate the citation information.
Citation format example for UH letter(s)
UH0217
Original: Jacques Sennaques to Pierre Le Pers, France (1697) in the Brienne Collection, Sound and Vision The Hague, DB-1627.
Model: MIT Libraries, Unlocking History Research Group archive, MC0760, UH0217. Box 21–24.
Video
UH217: Amanda Ghassaei, Holly Jackson, Jana Dambrogio, Daniel Starza Smith, the Signed, Sealed, and Undelivered team, and the Unlocking History Research Group. “Brienne Postal Archive: Jacques Sennacques’s virtually unfolded letter to his cousin Pierre le Pers, France (1697)." Letterlocking Instructional Videos. Unlocking History number 0217/Letterlocking Unique Video number: 0217. Filmed: 30 July 2021. Duration: 1:34. Posted: 2 March 2022. URL: https://youtu.be/kP4Z3YOIgRk. Accessed: March 4, 2025.