These papers are dull at first glance: herbal recipes, trade manifests, droning descriptions of local wildlife. Leliana's code breakers deciphered their true purpose: these are messages from Calpernia's spies, hidden behind a cipher:
Managed to slip out another tome, copy the page, and return it before Lord Geresque was any the wiser. Corypheus's vestments definitely match the drawings of ancient Tevinter magisters, my lady. That much of his history seems true. —Veska.
We followed Corypheus and his trusted escort as far as we could, but again the traps defeated us. The shrine cannot be breached, my lady, not without alerting Corypheus. We will try other means. —Serapin.
From she whom you freed: greetings. Corypheus may have seen our faces on the last mission. It might be wise to send a new agent. We have a recruit from Vicinius's stock who could prove useful. —Rhiannon
You were correct, Lady Calpernia; without Samson to lead the templars, Corypheus relies even more on his Venatori. You are well placed. Again: we are not mages, but we stand with you if the moment comes. You are proof of what a slave can become. —Serapin