| I. |
Sources of Knowledge of Beethoven’s Compositional Procedures |
| II. |
A Selected List of Readings on Sketches Since 1969 (larger studies only) |
| III. |
Stages of Knowledge of Sources |
| IV. |
Publications of Sketchbooks (F = facsimile; Tr = transcription; P = pocket) |
| V. |
Gustav Nottebohm (1817-1882) |
