All that can presently (June 2019) be gleaned from sheet music covers and by internet searching is that R.B. Brewer has 5 works published between 1903 and 1913.
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R.B. Brewer has at least 1 item(s) at the Amazons which you can order on-line by clicking the item's order icon.
Wee Willie WinkieA Novelty March Music by: R.B. Brewer.