Eighteenth-century dissertations.

The National Library’s wartime makeover.

Amid the Holocaust, Jews struggled to keep their culture alive.

And the Dutch-Portuguese ex-converts who founded it.

The remnants of Prague’s once-great Jewish library.

Els Salomon-Prins Bendheim, in memoriam.

Founded by ex-conversos, it holds the world’s oldest manuscript of Maimonides’ code.

Menachem Schmelzer, in memoriam.

“A moral obligation.”

From 1491 to 2021.

And the sleuth who discovered it.