I have over 1000 entries in my American Comic Sound Effect Dictionary. I made it to sell in Japan, but I realize that I do have all the data in the original English as well! I think I'll start shopping it around to see what the response is.
The Japanese version has been selling well and might possibly be picked up for publishing! We'll see. Best not to get too excited prematurely.
Here's some of the letter headings designed by my good friend SONIC who also translated the entries into Japanese.