http://slovone.livejournal.com/10436.html http://slovone.livejournal.com/10216.html - Sobinov
http://slovone.livejournal.com/9795.html - Shalyapin
This journal publishes material from the annex to "Russkoye slovo" journal, 1915. It was the illustrated Newspaper "Iskry" (not the Bolsheviks' "Iskra"!!!)
Noble faces, high quality photos. Amazing.
In short, go and look. There will be many interesting things more.