Notebook C2: Selected Research Papers of Don Laycock on Languages in Papua New Guinea. Don Laycock (compiler); Don Laycock (researcher). Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). paradisec.org.au/repository/DL2/items/002.; Notebook C11: Selected Research Papers of Don Laycock on Languages in Papua New Guinea. Don Laycock (compiler); Don Laycock (researcher). Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). paradisec.org.au/repository/DL2/items/011.