The original Danish text of the book “Fyrtøiet” authored by Hans Christian Andersen is/are in the public domain and not protected by copyright because at least 100 years (viz. 151) have passed since the author’s death in 1875.

The Czech translation of the book “Fyrtøiet” (“Křesadlo”) authored by Bedřich Peška & Josef Mikuláš Boleslavský is/are in the public domain and not protected by copyright because at least 100 years (viz. 134) have passed since the author’s death in 1892.

The Russian translation of the book “Fyrtøiet” (“Огниво”) authored by Анна и Пётр Ганзен is/are in the public domain and not protected by copyright in a number of countries because at least 70 years (viz. 96) have passed since the author’s death in 1930.

Illustrations of the book “Fyrtøiet” authored by Vilhelm Pedersen is/are in the public domain and not protected by copyright because at least 100 years (viz. 167) have passed since the author’s death in 1859.