Liber instrumentorum memorialium
... that based on the documents in the Liber instrumentorum memorialium the twelfth-century population of Montpellier and its environs has been estimated at 9,000 people?
... that based on the documents in the <i id="mwGGc"><b id="mwGGg"><a href="./Liber_instrumentorum_memorialium" id="mwGGk" rel="mw:WikiLink" title="Liber instrumentorum memorialium">Liber instrumentorum memorialium</a></b></i> the twelfth-century population of <a href="./Montpellier" id="mwGGo" rel="mw:WikiLink" title="Montpellier">Montpellier</a> and its environs has been estimated at 9,000 people?