ドミニコ会士による『スペイン語-イヴァタン語辞書』(Diccionario Espanol-Ibatan Universidad de Santo Tomas, 1914)および『イヴァタン語-スペイン語語彙集』(Vocabulario Ibatan-Espanol Universidad de Santo Tomas,Manila, 1933)が主要なものである。
Cottle, Morris and Shirley Cottle (1958) The significant sounds of Ivatan, Oceania Linguistic Monographs 3 (University of Sydney, Sydney)
Dempwolff, Otto (1926) Ivatan als ‘Test-Sprache’ für uraustronesisches 1,Zeitschrift für Eingeborenen-Sprachen16 (Berlin)
Heye,Jurgen B. and Cesar A.Hidalgo (1967). An outline of Southern Ivatan phonology, General Linguistics7(2) (Pennsylvania State University,University Park)
Hidalgo, Cesar A.and Araceli C. Hidalgo (1971). A Tagmemic Grammar of Ivatan (Linguistic Society of the Philippines[ 以下、LSP] Manila)
Hooker, Betty (1972) Cohesion in Ivatan,Asian Studies10(1)(Asian Center, University of the Philippines,Quezon)
Larson,Virginia (1972), Pronominal reference in the Ivatan narrative,Pilippine Journal of Linguistics3(2)(LSP,Manila)