- worldnumismaticnews.com 2017/01/23/russian-…The coin celebrates the 190th anniversary of the birth of the renowned Russian geologist Pyotr Petrovich Semyonov-Tyan-Shansky(1827 - 1914).
- onthisday.net birth/299081/pyotr-semyonov-tyan-…(02 January 1827 - births) Pyotr Semyonov-Tyan-Shansky, Russian geographer and statistician (d. 1914).
- geonewsgeospatial.blogspot.com 2017/09/pyotr-…September 22, 2017. “Pyotr Semyonov-Tyan-Shansky Homeland” tourist guide with gvSIG Desktop.
- myheritage.com names/петр_семенов-тян-шанскийPyotr Semyonov-Tyan-Shansky 1827 1914 Pyotr Semyonov-Tyan-Shansky in Famous People Throughout History.
- http://forumjar.com forums/Pyotr_Semyonov-Tyan-ShanskyWelcome to Pyotr Semyonov-Tyan-Shansky Forum. Thank you for using Forum Jar. Due to a growing number of inappropriate messages on our forums, it has...
- blog.gvsig.org 2017/09/21/pyotr-semyonov-tyan-…...distinguished member of the gvSIG Russian Community, a tourist guide (“Pyotr Semyonov-Tyan-Shansky Homeland Tourist Guide“...
- ar.culture.ru en/person/petr-petrovich-semenov-…Pyotr Semyonov-Tyan-Shansky. View mode.
- russianphilately.com shop/1952-pyotr-semyonov-…1952. Pyotr Semyonov-Tyan-Shansky. Catalog numbers: Scott 1615, Standard Collection 1583, Michel 1618, Yvert 1598. Issued on: February 1, 1952.
- http://PlanetaryProject.com calendar/pyotr-semenov-tyan-…...in 1906, when exploration of this mountainous region began in earnest Pyotr Petrovich Semenov received an honorary second surname of Tyan-Shansky.