- gkn.pskov.ru deyatelnost/ohrana-kulturnogo-…
- paulturner-mitchell.com tr/99333-gorod-ostrov-…
- http://history.nsc.ru website/history-institute/var/…[Nikolai Nikolayevich Pokrovsky as Organizer of Science (second half of 1960s–1980s)]. In: Gumanitarnie nauki v Sibiri [Humanitarian Sciences in Siberia].Bulunamadı: reserve
- trucksimulator.wiki.gg wiki/Pskov_Oblast
- http://archiv.72to.ru index.php/gosudarstvennyj-arkhiv-…
- openstreetmap.org relation/155262
- mapnall.org en/Map-Pskov-Oblast_452148.html
- mapnall.com en/Map-Pskov-Oblast_452148.html
- wikious.com tr/Pskov_Oblastı