This study revisits Gabriel Naud 's foundational contributions to librarianship, particularly as outlined in his Avis pour dresser une biblioth que. As one of the earliest proponents of professional librarianship, Naud redefined the role of librarians and set principles that continue to influence modern library practices. Unlike his predecessors, who organized collections as an adjunct to monastic, noble, or royal duties, Naud approached librarianship...