<https://www.forum.antique-photos.com/forum/25-rossiyskaya-imperiya-russian-empire/>
<http://schema.org/name>
"Российская Империя / Russian Empire"
<https://www.forum.antique-photos.com/topic/3814-volnoopredelyayuschiysya-gvardeets/?do=reportComment&comment=68667>