Nelson Place was in a poverty-stricken area of Brighton that was being considered for slum clearance at the time the novel was written.
It was finally demolished in the late 1930s.
Originating in America, a crooner was a male singer known for giving overly sentimental or ostentatious performances. Consequently, the term was considered something of an insult amongst musicians.
An immensely popular and staunchly working class singer and comedienne, Dame Gracie Fields began her career touring music halls in the 1920s.
She made several trips abroad to entertain the troops during World war 2.
Listen on Spotify: If I knew you were coming
The English translation is: 'Lamb of God, who takest away the sins of the world, have mercy on us.'
The London Road viaduct was built in the 1840s and remains in constant use. A Grade II listed, red brick building, the viaduct is 67ft high in places.
Louis Napoleon-Bonaparte was the ruler of the Second French Empire from 1852 until 1870, when France lost a defining war against Prussia. Paris was besieged and the Emperor forced to flee to England with his Spanish wife, the former Countess Eugenie de Montijo and their son, Napoleon Eugene.
The family lived at Camden Place in Chislehurst, Kent, and spent the summer of 1872 in Brighton and Cowes to aid his failing health.