
https://gallica.bnf.fr/services/engine/search/sru?operation=searchRetrieve&version=1.2&startRecord=0&maximumRecords=30&page=1&query=%28gallica%20all%20%22Phong%20ho%C3%A1%20l%E1%BB%85%20nghi%22%29&filter=provenance%20all%20%22bnv%22%20and%20dc.creator%20all%20%22nguy%E1%BB%85n%20th%C3%A0nh%20long%22