The Norwegian letters were originally published in Den Norske rigstidende, an important Christiania newspaper, in 25 instalments from November 6, 1847, to July 3, 1848. cf. Historical introd.
Reproduction
Microfiche. Chicago : Library Resources, 1970. 1 microfiche ; 8 x 13 cm. (Library of American civilization ; LAC 15606)