On stable and unstable features in Nilo-Saharan / Gerrit J. Dimmendaal -- Ngaalam: an endangered Nilo-Saharan language of Southwest Ethiopia, a sociolinguistic survey on language vitality and endangerment / Moges Yigezu -- An autosegmental analysis of the downstepped high tone in Dholuo / Jane Akinyi Ngala Oduor -- Obstruent neutralization in Gwama / Justin M. Goldberg -- Retention and contraction in Nyang'i nominal number marking / Samuel Beer -- Tugen noun classification / Prisca Jerono -- Person marking in Gwama / Joelle Goldberg -- Lopit verb morphology: an introduction / Jonathan Moodie -- On the nature of possession in Keiyo / Justine M. Sikuku & Joseph M. Wanyonyi -- Motion in Toposa / Helga Schröder -- Directional verb morphology in Ethiopian Komo / Manuel A. Otero -- Semantics of directional verb morphology in Gwama / Anne-Christie Hellenthal -- The grammar of space in Keliko, a Central Sudanic language of South Sudan / Christine Waag -- Everyday rituals: on describing language, and on being indirect in Nilotic / Angelika Mietzner & Anne Storch -- Repetition in Acholi conversation / Maren Rüsch