-
Heinrich Werner [ru; de]
about the Kott language,
namely Коттский язык (
Kottskij jazyk),
which includes a 110-page Russian-Kott glossary, and Abriß der...
- историческая энциклопедия. Vol. 7. ISBN 9781948192828. Werner,
Heinrich (1990).
Kottskij jazyk Коттский язык [Kott language] (in Russian).
Taganrogskij Radiotechničeskij...