Notes in the Margins https://mosaicmagazine.com/picks/uncategorized/2014/05/notes-in-the-margins/

May 30, 2014 | Menachem Wecker
About the author: Menachem Wecker, a freelance journalist based in Washington DC, covers art, culture, religion, and education for a variety of publications.

Antique Hebrew prayer books discovered in a Dutch synagogue bear pencil markings that show a surprising continuity in ritual practice from then till now. 

Read more on Forward: http://blogs.forward.com/the-arty-semite/199038/a-dutch-monastery-s-jewish-prayer-books