The person who runs this small YouTube channel posted a video of
the QRS piano roll "Three Little Fishes" which was without a doubt
played by J. Lawrence Cook.  Here's the link to the video:

https://youtu.be/d6chS8zOl3k 

If anyone knows the roll number then please email me at

Piotr Barcz
thepiotrcorporation@gmail.com.geentroep [delete ".geentroep" to reply]

 [ "Three Little Fishies" (C) 1939 (a.k.a. "Three Little Fishes")
 [ 4/39 QRS 7014 THREE LITTLE FISHES pb J. Lawrence Cook
 [ 4/79 QRS Q238 THREE LITTLE FISHES pb J. Lawrence Cook
 [ 8/76 QRS CEL140 THREE LITTLE FISHIES pb Liberace
 [ Data from The Billings Rollography, publ. by AMICA
 [ -- Robbie