Helimski, Eugene, ed. 1983. The Language of the First Selkup Books. Vol. Vol. 22. Studia Uralo-Altaica. SZTE BTK Institute of Hungarian Language and Literature University of Szeged. https://ebook.ek.szte.hu/index.php/btk-magyarnyelviirodalmi-intezet/catalog/book/189.