29 different birds of Finland
Pieni Tietosanakirja
From a 1925-1928 encyclopedia, "Pieni Tietosanakirja", now in the public domain. Scanned in 300 dpi by Lars Aronsson, 2005. Also available at <a rel="nofollow" class="external free" href="http://runeberg.org/pieni/2/0622.html">http://runeberg.org/pieni/2/0622.html</a> (which explains the somewhat cryptic filename).