Baalbaki, A.C.F. and Anachoreta, V.G.T. 2021. In the name of (un)happiness: how perceptions of portuguese language arise in materials for the deaf in the 1950’s. Línguas e Instrumentos Linguísticos. 24, 47 (Oct. 2021), 91–120. DOI:https://doi.org/10.20396/lil.v24i47.8664219.