Charles Vernon Boys

Soap-bubbles, their colours and the forces which mould them

Society for promoting Christian Science, London 1896.

Meredith Nugent

New games and amusements for young and old alike

Doubleday, Page and Company, New York 1905.

Charles Vernon Boys

Soap-bubbles, their colours and the forces which mould them

Society for promoting Christian Science, London 1916 (I ed. 1896).

Senor Mardo

Applause: a book of routined magic

Berland Magic Creations, Chicago 1947.