Prokudin-Gorskii(loc.gov)2 points·by KyleVlaros·3 माह पहले·1 commentsloc.govProkudin-Gorskiihttps://www.loc.gov/pictures/search/?st=grid&co=prok1 commentsPost comment[–]gus_massa·3 माह पहलेreplyI had too look up https://en.wikipedia.org/wiki/Sergey_Prokudin-Gorsky