Julia Gergely writes: “In the heart of Manhattan, you can page through the Passover story in an Italian haggadah from half a millennium ago, check out the posters for the most popular Yiddish plays of the 1920s, and examine dried flower arrangements from the Holy Land made at the end of the 19th century. The Dorot Jewish Division of New York Public Library is celebrating its 125th anniversary this year. We recently stopped by to see what would be on view during the anniversary celebrations. Here are 10 highlights.”