Huizinga acknowledges the assistance of Professor DuyvendakArxivləşdirilib 2009-02-18 at the Wayback Machine's "friendly help [which allows him] to say something about
the Chinese expressions for the play-function". Huizinga 1955, p.32
Huizinga, Johan. "Homo Ludens"(PDF). art.yale.edu. Switzerland: Routledge. 1944. ix. 2015-03-28 tarixində orijinalından(PDF) arxivləşdirilib. İstifadə tarixi: 2019-05-13.
Huizinga acknowledges the assistance of Professor DuyvendakArxivləşdirilib 2009-02-18 at the Wayback Machine's "friendly help [which allows him] to say something about
the Chinese expressions for the play-function". Huizinga 1955, p.32
wikipedia.org
nl.wikipedia.org
The information on the Blackfoot language used by Huizinga comes from Professor Christianus Cornelis Uhlenbeck. Huizinga 1955, p33. See the book Montana 1911: A Professor and his Wife among the Blackfeet for further details behind this contribution of the Blackfoot Indian language to Homo Ludens.