Santana, J.A. and Nunes, J.V. 2017. Professionalethics, deontology and unionism in brazilian librarianship: multiple historical perspectives. RDBCI: Digital Journal of Library and Information Science. 16, 1 (Sep. 2017), 56–77. DOI:https://doi.org/10.20396/rdbci.v16i1.8649700.