Part I
http://shortwaveradioworld.blogspot.com/2014/11/soviet-radio-history-in-pictures-part-i.html
Part II
http://shortwaveradioworld.blogspot.com/2014/12/soviet-radio-history-in-pictures-part.html
Part III
http://shortwaveradioworld.blogspot.com/2015/04/the-soviet-radio-history-in-pictures.html
Part IV
http://shortwaveradioworld.blogspot.com/2015/04/soviet-radio-history-in-pictures-part.html