- Speransky, Mikhail Mikhailovich (1772-1839). Letter of Prince. AN Golitsyn Speransky with the application.
1825. 46 p.
RGIA. F. 1251. Op. 1. P. 1. D. 67.
Note by A. N. Golitsyn on the proposal of the English merchant G. Wenning living in St. Petersburg to introduce an English tread wheel in Russian prisons (for driving mills, etc.), with the attachment of the English brochure Description of the Tread Mill, for the Employment of Prisoners, etc. London, 1823, calculating the cost of building a wheel and the perceived benefits of it.