 In addition, he wrote about the language and culture nearly a century ago, when the language was far more widely spoken in daily life and the Koyukon people were living in a more traditional way.The use of the word, "Dictionary", in the title is perhaps misleading; the book is more similar to an encyclopedia, as it also is a record of the culture and traditions of the Koyukon people.The book includes traditional stories recorded by Catherine Attla and published in 1983 by the University of Alaska Fairbanks.