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 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.

The Bulgarian translation of the book “Fyrtøiet” (“Огнивото”) authored by Светослав Минков is/are in the public domain and not protected by copyright in a number of countries because at least 50 years (viz. 60) have passed since the author’s death in 1966.

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.