Rear-Admiral H. G. Thursfield edited every annual in this sequence, although their publishers vary. That continuity makes it more likely that changes between volumes reflect the period under study instead of a completely different editorial perspective. The common editor supplies a relatively stable analytical viewpoint across the selected years, while the change of publisher remains a variable to notice. The example shows how a source's makers affect what historical comparisons can safely claim.
Notable Point · 12:31-13:48
Editorial continuity as a comparative advantage
Comparing volumes edited within the same broad editorial tradition helps reduce one source of variation in historical analysis.