Iyeiri, Yoko and Mariko Fukunaga. 2021. “A corpus-based analysis of negation in some 19th-century American missionary documents in Honolulu”, in ICAME 41 Heidelberg Digital Conference, Language and Linguistics in a Complex World: Data, Interdisciplinarity, Transfer, and the Next Generation, Extended Book of Abstracts, ed. Beatrix Busse, Nina Dumrukcic, and Ruth Möhlig-Falke, pp. 110-113. （Downloadable from https://kups.ub.uni-koeln.de/36462/1/ICAME41%20Extended%20Book%20of%20Abstracts.pdf）
This is an abstract of the paper (of the same title) presented at ICAME 41, which took place online on 20-23 May 2020 and which was organized by the Heidelberg University team. The above link guides you to the online version of the booklet of extended abstracts.