Texas Subcategories This category has only the following subcategory. H Historians of opera (5 P) Pages in category "Opera scholarship" The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes. A Hermann AbertC Critical edition (opera)D Edward Joseph Dent Albrecht DümlingG Philip GossettK Hermann KretzschmarP Roger ParkerR Susanne Rode-BreymannS Ludwig SchiedermairV Tomislav VolekW Thomas Walker (musicologist)