The Wanradt–Koell Catechism () is a partly preserved book that is considered the oldest printed source of Estonian. The oldest known examples of handwritten Estonian appear in 13th-century chronicles. The book was compiled by the clergymen and . The book was published in 1535 in Wittenberg.
Fragments from the book were discovered in 1929 by the historian Hellmuth Weiss.
See also Timeline of early Estonian publications
References
Further reading Andrus Saareste. Esimese eestikeelse raamatu Wanradt-Kõlli katekismuse keelest (Tartu, 1930) Wanradt-Kõlli katekismuse katked a. 1535 (Tartu, 1931) Hellmuth Weiss. 400-aastane eesti raamat: Wanradt-Koell'i katekismus 1535. aastast (Tallinn, 1935) Eesti wanima raamatu Wanradt-Koelli katekismuse säilinud lehekülgede reproduktsioone ja rekonstruktsioone (Tallinn, 1935) Hellmuth Weiss. Esimene eesti raamat anno 1535. Wanradt-Koell'i katekismus 1535 aasta (New York, 1956, 2nd edition, supplemented)