St Paul (previously named Saul), a tentmaker and important Jewish official, was a fervid persecutor of Christians until he encountered Christ in a blinding vision on the road to Damascus and was converted.
The Arsenale was a shipyard and munitions store from 1104 to 1797, when the Republic of Venice fell to Napoleon.
The Gateway to the Arsenale is no. 9 on the map at the back of the book (Afterword p.7).
This woman is a character featuring in a short story by Salley Vickers, entitled:"The Dark Wood."
The King James Bible is a version of the Bible translated between 1604 and 1611, and approved for use in the Church of England.
Miss Garnet obviously considered it more poetic than modern versions.
The Apocrypha is a collection of books included in some Bibles, and considered Holy Writ by some Christian denominations but not others.
Modern Biblical scholars do not consider them historical, but believe they were written during the Jewish exile as moral stories to encourage young Jews to keep the faith and the law. 'Tobias and the angel' is one such story.
Michael, Gabriel, Raphael, Uriel, Raguel, Zerachiel (or Saraquel)and Remuel: from the Book of Enoch.
Pentecost (Whitsun) is a Christian festival celebrating the coming of the Holy Spirit to the apostles, and the beginning of the Christian Church. Here, however, it refers to the Jewish festival of Shavuot, when Jews celebrate the receiving from God of the five books of Moses (the Torah) on Mt. Sinai.