This is what I remember from my 5th grade music class (Making Music Your Own Bk. 6):

WATERS RIPPLE AND FLOW
(Slovakian Folk Song, English Lyrics by Margaret Fishback)

Waters ripple and flow,
Swiftly flow to the sea,
Bring my freedom to me,
Set my spirit free,
River flowing by,
On your way to the sky.

River Tura flowing,
Hear my yearning song,
For my home I long,
Ever make me strong,
River [Tura] flowing deep,
Let me courage keep.

Sound the cry of freedom,
River as you flow,
Then my heart might know,
Victory over woe,
Tura flowing past,
Give me liberty at last.

The River Tura is in Siberia, so this was possible a case of some Siberian prisoner setting new words to an old melody, or it was a propagandistic rewrite during the Cold War.

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Note from Joe Offer (10 Oct 2022): Except for one work, this transcription is exactly the same as what's on page 78 of Making Music Your Own, Volume 6 (Silver Burdett).