May 22, 2020: profiles of planes Red22 with artwork and Yellow 22, both of 562 IAP PVO, were added to the Yak-1 profiles page
November 3, 2020: profiles of White 27, 20 iap and White 402 & 404, 45 iap were added to the Yak-1 profiles page
August 22, 2021: profile of Yak1b-unknown unit (related to Pokrovskij) was added.
By Michal Sekula
http://massimotessitori.altervista.org/sovietwarplanes/board/index.php?board=43.0 subforum on Yak fighters
http://scalemodels.ru/modules/forum/viewtopic_t_14205.html Yak-1 discussion thread on scalemodels.ru.
http://airfield.narod.ru/index.html Yaks in general: an huge amount of photos, profiles and other documents (in Russian).
Profile pages specifically for Yak-1 and Yak-1B.
http://scalemodels.ru/modules/photo/viewcat_cid_198.html Walkaround Yak-1b (Be careful - the wing root intakes are actually from a Yak-3).
https://karopka.ru/forum/forum212/topic457/ Walkaround Yak-1b (Be careful - the wing root intakes are actually from a Yak-3).
http://ru-aviation.livejournal.com/2538050.html walkaround on Yak-1 recovered from a lake displayed in unrestored condition.
http://www.airforce.ru/aircraft/engines/vk105pf/index.htm Walkaround on the engine M-105PF
https://waralbum.ru/photo/weapons/aircrafts/russian_aircrafts/yak-1/ Russian photographic archive with many historicap photos of Yak-1 in high resolution