https://gallica.bnf.fr/services/engine/search/sru?operation=searchRetrieve&exactSearch=false&collapsing=true&version=1.2&query=%28%28%28%28colnum%20adj%20%22BbLevt0%22%29and%20dc.source%20all%20%22Delta%22%20%29%20or%20dc.source%20all%20%22YD-1%20%281859-07-19%29-8%22%20%29%20or%20dc.source%20all%20%22SMITH%20LESOUEF%20S-7357%22%20%29%20%20sortby%20dc.date/sort.ascending&suggest=10&keywords=