Handbook on History of the Communist Party and the Soviet Union 1898–1991 (Russian: Справочник по истории Коммунистической партии и Советского Союза 1898–1991) is a Russophone free access online encyclopedic information on history of the Communist Party of the USSR and its members. The project is created on the initiative of Nafthali Hirschkowitz (Zikhron Yaakov), a creator and editor of the project. He is assisted by several specialists in a field of history across a vast territory of the former Soviet Union. Among those are experts in a field of historical science and others. The project started in 2005. More information...
According to PR-model, knowbysight.info is ranked 4,328th in multilingual Wikipedia, in particular this website is ranked 423rd in Russian Wikipedia.
The website is placed before worldwidewords.org and after sonypictures.com in the BestRef global ranking of the most important sources of Wikipedia.