1.   A key element will be the researching of source material still held by different constabularies.

2.   All reports should be carefully planned, so you should first examine source material.

3.   But what is extraordinary about all these intricate reworkings of such disparate source material is the coherence of the final results.

4.   It is far more important to examine original source material, and not just the work of historians.

5.   Searches that predominantly involve specific words or phrases known to have been used in the source material.

6.   The research involves the use of primary source materials in national and local archives.