Howie has an effect and a move in Cliff Greene's card book but I cant think of the title off the top of my head. Also, Hank Lee bought the rights to Howie's line of magic. You might check with Hank to see if that includes anything published.
Wait, I looked and it's called Professional Card Magic.
Good to see you on here. A few years ago I talked to a magician around the Santa Barbara area that had a great deal of JG's mauscripts. I just can't remember his name, anyway it was great stuff. JG was underated.