Ms. in paper cover and enclosed in a decorative leather case. Numerous variant readings in manuscript notated in German organ tabulature, preceeded either by "Pohl: " or "Pohlm: " [at tail of f.1v:] Georg Böhm., Twenty-eight keyboard pieces by J. Tresure, J.C. Kerll, Froberger, Erben, and anonymous composers., and MUS: Also known by alternative call number: Ma21 H59