serial mystery/romance by A N & C N Williamson (Smith's Magazine, 1911)

1920 film by Thomas A. Barry

romantic mystery novella by A. M. and C. N. Williamson (Ainslee's, 1921)

romantic mystery novella by C N & A M Williamson (Ainslee's Magazine, May 1921)

mystery / romance novella by C. N. & A. M. Williamson (Ainslee's, March 1921)

travelogue cum mystery-romance war-torn France by C N & A M Williamson (Maclean's Magazine, 1917-18)

mystery novella by C N & A M Robinson (Ainslee's, June 1921)