[Calvin Locke]

Librivox or Gutenberg has the ACD Sherlock Holmes collection on audio. I'm pretty sure I heard it read from that source.

Any way, a train conductor brings the thumbless guy to his own doctor, Watson,...to Holmes, and relates the loss of his thumb...Germans...

[WXRGina]

I know some of those radio show stories are only loosely based on Conan-Doyle’s stories. That may be why I can’t remember it.