Indicia names
The major difference between the two Declassified titles is the indicia use of volume numbers. Although this third volume actually concluded publication before the second, the indicia specifically designates this title "Volume 3" and the other Queen & Country Declassified (2005) as "Volume 2".

A subtler indicia distinction comes down to what might be a typo. This volume is Queen & Country Declassified, while volume 2 adds a colon to become Queen & Country: Declassified.

Cover titles
It is much easier to tell the two volumes apart by their covers. This volume has the story title emblazoned across each cover, making the title appear to be Queen & Country Declassified: Sons and Daughters.

Number of issues cataloged: 5

Number of users with this title in their pull list: 2