There are quite a few in the Helen Hartness Flanders collection... but how are you defining "published"? Only commercial recordings? Or also song texts in books? I think you're saying recordings - their voices available for us to hear. Any way, I've been quite captivated by Elmer George of Calis VT. A great singer.
But if only a few can ever hear their voices, what's the point? Directing each other to great sources?
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