New York isn’t just a haven for Christians from around the world; it’s also a sanctuary for their rare and dying dialects.

In my attic is a relic of days gone by: a cassette player my husband owned as a teen. In the living room is another relic—the vase with wisteria trim. My mother’s, passed on to me. It’s not of ...

“This is not a Bible just for Mennonites,” says Anabaptism at 500 project director John Roth.