Die Haggadah des Kindes. (Click on title to view digitized version.) Leo Baeck Institute. Dayenu: A few Passover Haggadot would have been enough…really?by David P. Rosenberg, M.P.A., Senior Reference Librarian – Collections, Center for Jewish History As we prepare for the ritual Seder this evening, I started to reflect on the variations of Passover Haggadot and the vast number of them that we have…