[5] The magician Fulton Oursler when writing on the subject of magic and spiritualism, used the name Samri Frikell.

[8] Early in his career the magician Harry Houdini demonstrated a handcuff escape at the Alhambra Theatre.

The manager C. Dundas Slater noted that Baldwin had performed the trick many years before Houdini.

[9] Magician Joseph Rinn noted that Baldwin in his day was believed to possess psychic powers but this view was erroneous because "he never pretended to be anything but an entertainer.

[11] I have attended at least two thousand spiritual séances, and I am more convinced now even than I was in my earlier days, that under no circumstances do disembodied spirits return to this world to produce manifestations of any character.