Part of the trick is that verses are numbered differently, for example, the Psalms. And Catholic Bibles have more chapters in Daniel and I think Esther. An AP

Part of the trick is that verses are numbered differently, for example, the Psalms. And Catholic Bibles have more chapters in Daniel and I think Esther. An API that would allow people to match verses across the two types of Bibles would have to have some kind of durable primary key for each verse in addition to its nominal address.