Zhiznʹ i literaturnaia perepiska Petra Ivanovicha Rychkova s portretom i snimkom pocherka Rychkova
Pekarskiĭ, Petr Petrovich.
Sanktpeterburg Tipografiia Imperatorskoi Akademii Nauk
1867
Rychkov, P. I. (Petr Ivanovich)