I'm looking for the lyrics to the song "My Old Man" as sung by Jerry Jeff Walker on an album called Walker's Collectibles. I'm not sure who wrote it, whether it was Jerr Jeff or Steve Goodman or ???

The song starts:

My old man had a rounder's soul, Heard an old freight train, and he had to go, ....

Any one know the lyrics or where I can find them???

Thanks ....