Unidentified photographer 1898-1910 Nursery with 2-year-old seedlings planted in a checkerboard pattern. (Питомник, с 2-х летними саженцами, посаженными вт. шахматном порядке.) [Mulberry cultivation for silkworms]
Photograph State Silk Museum https://creativecommons.org/licenses/by-nc/4.0/, British Library, Endangered Archives Programme supported by Arcadia, EAP1306/1/1/1
