 The Signs of Ireland corpus is used in teaching and learning at the Centre and was the basis for Lorraine Leeson and John Saeed's volume describing the linguistic and sociolinguistic situation of Irish Sign Language (Edinburgh University Press, 2012) and several postgraduate dissertations.CDS staff (Leeson, Matthews, Sheridan) have also built an Irish Sign Language as a second language acquisition corpus (SLAC), which staff and students are working to annotate.The SLAC-ISL corpus is a parallel corpus, built in collaboration with colleagues at Stockholm University (Scrönström, Mesch).