Claude Alexander Conlin

The life and mysteries of the celebrated dr. Q

Nelson Enterprises, Columbus 1946 (I ed. 1921).

Marcello Truzzi

Sherlock Holmes: Applied Social Psychologist

Marcello Truzzi, The Humanities as Sociology: An Introductory Reader, Charles E. Merrill Publishing Company, Columbus 1973, Cap. 7, pp. 93-126.