Works:
- Herr von Bülow-Cummerow unter den Communisten
- Herr von Bülow-Cummerow unter den Communisten
- Calendar of letters, despatches, and state papers, relating to the negotiations between England and Spain : preserved in the archives at Simancas and elsewhere, IV,2,a
- Calendar of letters, despatches, and state papers, relating to the negotiations between England and Spain : preserved in the archives at Simancas and elsewhere, 4,1. Henry VIII, 1529 - 1530