“The Result of Thirty Years Research. Illustrated with Portraits, Musical Examples, Facsimile Letters, Reproductions from Rare and Curious Paintings and Engravings.” First published in 1914. This reprint, in one volume, is unabridged and contains extra plates originally only available in the special two volume edition. Blue boards with clean, tight binding, very slight lean. DJ is intact but soiled; now protected by archival-quality, “Brodart” mylar sleeve.