WWW / Estonians. − Wikipedia: The free encyclopedia. − http://en.wikipedia.org/wiki/Estonians;
WWW / Demographics of Estonia. − Wikipedia: The free encyclopedia. − http://en.wikipedia.org/wiki/Demographics_of_Estonia.
1.1. Viron lippu
(Author: "User:SKopp". From Wikipedia: The free encyclopedia. "... this image has been released into the public domain...". 22:45, 27 September 2005.)
Teksti:WWW / The Livonians. − The red book of the peoples of the Russian Empire. Toimittaneet Kolga, Margus – Tõnurist, Igor – Vaba, Lembit – Viikberg, Jüri. − http://www.eki.ee/books/redbook/livonians.shtml 1993.
1.1. Liiviläisten lippu
(Author: "User:Tasman". From Wikimedia Commons. "This image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years." 09/02/2006.)
