^Ian Chilvers, ed. (January 2004).
"Bill, Max". The Oxford Dictionary of Art (3rd ed.). Oxford University Press.
ISBN978-0-19-860476-1. Retrieved 23 February 2024 – via Oxford Reference.
^Ian Chilvers, ed. (January 2004).
"Bill, Max". The Oxford Dictionary of Art (3rd ed.). Oxford University Press.
ISBN978-0-19-860476-1. Retrieved 23 February 2024 – via Oxford Reference.