Total number of records: 1
Count of Subject
| Subject | Count |
|---|
| world war, 1914-1918 | 1 |
| gases, asphyxiating and poisonous | 1 |
Count of People and organisations
| People and organisations | Count |
|---|
| Richter, Donald C (1934-) | 1 |
| Great Britain. Army. Royal Engineers. Special Brigade | 1 |
