http://gallica.bnf.fr/services/engine/search/sru?operation=searchRetrieve&version=1.2&collapsing=disabled&rk=42918;4&query=%28dc.title%20all%20%22Essai%20sur%20l%27histoire%20de%20l%27instruction%20publique%22%29%20and%20dc.relation%20all%20%22cb30107095r%22