The Wagners:

Princeton, N.J.: Princeton University Press, 1998. First edition (presumed; no earlier dates stated). Octavo in a black DJ in plastic shrink wrap; xix, 327 p., [16] p. of plates: illus; 24 cm Mint, in unopened shrink wrap. Hardcover. ISBN: 9780691088112

Wagner, Richard, 1813-1883 -- Operas -- History -- Music -- Germany