div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Soviet Union Year-Book 1927 src=https:reader031vdocumentsusreader031viewer2022020312575067c21a28ab0f07ad05c8html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp©1927 Nature Publishing Grouppdiv