It is very difficult to find reliable information on the salaries paid to variety acts. In this article Anne Goulden reports on Oswald Williams’ act at the Leicester Palace and compares his salary with the other acts on the bill. These are recorded in a salaries book which belongs to the British Music Hall Society Archive.
The British Music Hall Society archive has a salaries book from the Leicester Palace. Anne Goulden lists the salaries of magicians and top acts of the time. She also shows the effect of the First World War on salaries.