Tallinn bronze statue hi-res stock photography and images - Alamy
File:Jaan Poska surimask.jpg - Wikimedia Commons
Estonian War Of Independence: Most Up-to-Date Encyclopedia, News & Reviews
Jaan Poska – Wikipedia
Jaan Teemant Biography - Estonian lawyer and politician
100 Notable Alumni of the University of Tartu [Sorted List]
Politiker (Estland): Johan Laidoner, Andres Larka, Vaino Väljas, Jaan Anvelt, Hjalmar Mäe, Andrus Ansip, Linnart Mäll, Jüri Vilms: Johan Laidoner, Oskar Köster, Boris Kumm, Karel Rüütli
Government Ministers of Estonia: Lennart Meri, Toomas Hendrik Ilves, Rein Lang, Jaan T Nisson, Marko Pomerants, Jaak Aaviksoo, Siim Kallas - Magers & Quinn Booksellers
Jaan Poska – Wikipedia – Enzyklopädie
Treaty of Peace between Russia and Estonia - Wikisource, the free online library