Laulujoutsen
Subtitle: Ultima Thulen lintu
By: Yrjö Kokko.
Edition: 3. painos.
Publisher: Werner Söderström
Published: 1951
Place of publication: Porvoo
Language: fin
Number of pages: 273
Subjects: Swans -- Finland; Swans -- Lapland; Whooper swan -- Behavior; Whooper swan -- Finland; Whooper swan -- Lapland