Patrons of the Human... www.journals.uchicago.edu

The enduring mystery of... artuk.org

Patrons of the Human... www.journals.uchicago.edu

The Murder of Roger Ackroyd... www.goodreads.com

New York and the Eastern... www.cambridge.org

Further reading - Childhood... www.cambridge.org

Historical murder newspaper... www.alamy.com

The Murder of Roger Ackroyd... www.goodreads.com

Walter Richard Sickert The... artblart.com

Histor-E | Idaho State... history.idaho.gov

The Murder of Roger Ackroyd... www.goodreads.com

Patrons of the Human... www.journals.uchicago.edu

Wal Hannington and the... www.liverpooluniversitypres...

William Forsyth -... indyencyclopedia.org

Patrons of the Human... www.journals.uchicago.edu

Social Science Matrix live-ssmatrix.pantheon.berk...

The Murder of Roger Ackroyd... www.goodreads.com

Social Science Matrix live-ssmatrix.pantheon.berk...

New York and the Eastern... www.cambridge.org

Historical murder newspaper... www.alamy.com