All that can presently (July 2019) be gleaned from sheet music covers and by internet searching is that William Klein is the one-off composer of Anna Lou From Kalamazoo (1907) published by Willis Woodward and Co., New York, USA.
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William Klein has at least 1 item(s) at the Amazons which you can order on-line by clicking the item's order icon.
Anna Lou From Kalamazoo Music by: William Klein. Words by: Nathaniel Bloch