1. Sublanguages in Buin: play, poetry, and preservation;Laycock,1969
2. Towards a typology of Ludlings, or play languages;Laycock;Linguistic Communications,1972
3. Abnormal Types of Speech in Nootka. Canada Department of Mines Geological Survey Memoir 62 No. 5, Anthropological Series;Sapir,1915
4. Language: its Nature, Development and Origin;Jespersen,1922
5. Thai word-games;Hass;J. Am. Folk.,1957