Records of the time of climb of supersonic aircraft in the 20th century (F-15, Su-27 and others) - YouTube
Sukhoi P-42 (П-42, T10-15) "Record Aircraft" - Work in Progress - Aircraft - Britmodeller.com
File:WofRussia04 Sukhoi Su-P-42.jpg - The Internet Movie Plane Database
Curtiss xp 42 hi-res stock photography and images - Alamy
Curtiss XP-42
Sukhoi P-42 (П-42, T10-15) "Record Aircraft" - Work in Progress - Aircraft - Britmodeller.com
P42: The Mystery Ship – The House of Rapp
Beriev, P-42 Airborne early warning and control (project) - RedStar
Curtiss XP-42
Sukhoi P42 - Record setting flanker. : r/WeirdWings
Sukhoi P-42(П-42) – Su-27 Flanker Family
Curtiss XP-42 - Wikipedia
Sukhoi P-42 Streak Flanker, a special variant of the SU-27 built to break and set records, among them records held by the similar F-15A Streak Eagle whom the P-42 was specifically built