Encyclopedia Astronautica has a lot of long reads http://astronautix.com/ http://astronautix.com/ The sojuz program http://astronautix.com/s/soyuz.html http:/

Encyclopedia Astronautica has a lot of long reads http://astronautix.com/ http://astronautix.com/ The sojuz program http://astronautix.com/s/soyuz.html http://astronautix.com/s/soyuz.html also relevant are the Kamanin diaries (head of the cosmonaut corps from 1960 to 1971) http://astronautix.com/k/kamanindiaries.html http://astronautix.com/k/kamanindiaries.html