История российских ПЛ

http://diletant.media/rosteh/25200494/

https://ru.wikipedia.org/wiki/%D0%A2%D0%B8%D0%BF%D1%8B_%D0%BF%D0%BE%D0%B4%D0%B2%D0%BE%D0%B4%D0%BD%D1%8B%D1%85_%D0%BB%D0%BE%D0%B4%D0%BE%D0%BA_%D0%92%D0%9C%D0%A4_%D0%A1%D0%A1%D0%A1%D0%A0_%D0%B8_%D0%A0%D0%BE%D1%81%D1%81%D0%B8%D0%B8