TY for your post. The fawn/swan choice as of now has "a rhyme but no reason." Maybe we'll figure it out after going through the versions.
There are two versions published by Barry in BFSSNE I think the date is 1935 and its volume 10. I'd appreciate it if you could post a version or two (I don't have the second book and should have gotten it but haven't). You could also scan the pages and email -- Richiematt7@gmail.com I have British Ballads From Maine, 1929, which is fairly rare.