The Scottish ballad is entitled, “Sir John Grehme and Barbara Allan,” and the English version, “Barbara Allen’s Cruelty.” Both are printed in Percy’s “Reliques,” Series III.
This text comes from a footnote on a diary entry in the 1893 edition edited by Henry B. Wheatley.
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All the Barbara Allens you can stand:
Chart showing the number of references in each month of the diary’s entries.