• 'The "Missing Link" in the Evolution of Wagner's Siegfried by Edward A. and Paula M. Bortnichak
• 'Wagner's Siegfried Act III Scene 1: A Study in "Renunciation of the Will" and the "Sublime" by Richard H. Bell
• 'Steadfast and Upstanding: Franz Wilhelm Beidler, Richard Wagner's Eldest Grandson' by Dagny Beidler
plus reviews of:
Christopher Alden's Tristan und Isolde in Karlsruhe, Mario Corradi's Tannhäuser in Aachen, Mariusz Trelinski's Tristan und Isolde in Baden-Baden, Philipp Stölzl's Rienzi in Berlin and Lynn Binstock's The Rinse Cycle in London
DVDs of various productions at Bayreuth over the last decade
CDs of Lohengrin conducted by Hans Knappertsbusch in Munich (1963) and by Karl Böhm in Vienna (1965), of Die Walküre and Siegfried conducted by Marek Janowski (1981–2), and of Wagner-inspired choral works under the title Rheinmädchen
Bernd Weikl's Swastikas on Stage: Trends in the Productions of Richard Wagner's Operas in German Theaters Today, Gunther Braam's Richard Wagner in der zeitgenössischen Fotografie, The Oxford Handbook of Opera, ed. Helen M. Greenwald and Christian Thielemann's My Life with Wagner