Visitors to this site will be interested to know of two extremely interesting and useful sites devoted to Pitirim A. Sorokin:
Pitirim A. Sorokin Foundation (USA)
The Pitirim A. Sorokin Foundation (in Russian)
The Russian site is maintained by Александр Долгов (Aleksandr Dolgov). Aleksandr and his site are on Facebook.
See also Yuri Doykov’s site:
for interesting information based upon original research about Sorokin and related historical and political topics. Yuri Doykov is a Russian journalist and historian. He has written a multi-volume biography and other books about Sorokin.
— Roger W. Smith