- Caricature by F. T. Richards published in the April 12, 1900, edition of Life.
- Caricature by Franklin Morris Howarth published in Puck. The text reads : 1 --Mr. Isaacs: "Ikey, look, look! See vat your fader learns out mit dis pook! I can do it! I'm a hypnotister!" 2 "Now watch! Here gomes a jay gustomer. Go out mit der store. Leaf me alone. I will hypnotister him. I vill get me double brices! 3 --"Vat, you only vant a pair of pants? Look me in der eye!" --Mr. Hardacre (aside): "That feller is tryin' ter hypnertize me. I used ter be purty good at that game, myself. I'll try my hand at it." 4 --Mr. Isaacs (aside): "Oh! If I had only known dese dricks pefore. (To Hardacre.) Look in der glass. Isn't dot fine, undt only feefty tollars." --Mr. Hardacre: "I'll let him think he has me!" 5 --Mr. Isaacs: "And you vant a fine silk hat. Ah! you look schoost like dot Brince of Vales (Aside.) Oh! dis vas too easy!" --Mr. Hardacre (aside): "Now I'm ready to begin on him." 6 (Making the hypnotic passes : immediately transfixing Isaacs and handing him a piece of paper). "Now you want your money, I suppose? Here is a hundred-dollar-bill. Give me the change." 7 --"Yes, that is right! Ten, twenty, thirty, forty. Now, you sit down on that chair and don't move until that clock strikes five. Good-by!" 8 --Young Isaacs: "Fader, vat's der matter? You see nodding mit your eyes open. Vhere's der gustomer you hypnertisted? Vake up! Vake up!" 9 --Mr. Isaacs (as he awakes): "Vhat! Dere vas no hundret-tollar-bill in der drawer? Four ten-tollar-bills missin'? Oh, mein sufferin' peoble! Dot feller was a hypnotister himself! Ikey, Ikey! purn dot pook!"