- onlineexpo.eu en/otdykh-leisure/exponents/ivan-i.…
- tr.taylrrenee.com puteshestviya/95349-penza-…Yerel Kültür Müzesi, resim galerisini, Ulyanov Gözlemevi'ni (planetaryum), Botanik Bahçesi ve Vivarium'u birleştirdi. Yerel lore Penza çalışma modu Müzesi.Bulunamadı: named
- boolt.nbgnsc.ru download/118/4-118-2016-en.pdfof the Crimean peninsula, as well as under conditions of Botanical garden named after I.I. Sprygin (the city of Penza). ... Name R. canina.
- warframe.market profile/Sprygin
- householdfranchise.com 10616793-where-to-go-with-…You can find the theater at the address: st. Chkalova, 35. Step 4. Botanical Garden named after I. I. Sprygin was officially opened in 1917.Bulunamadı: ivan
- http://ssc.smr.ru media/journals/fito/2023/01_01.pdfС. 24–29. Scientific heritage of ivan ivanovich sprygin. L.A. Novikova. Penza State University 40, Krasnaya str., Penza, 440026, Russia.Bulunamadı: named
- en.wikipedia.org File:Ivan Sprygin - 1.jpg
- prlib.ru en/node/1747218