the first two letters (yarostan and sofia)… from letters of insurgents.
check out the audio at http://www.audioanarchy.org/letters.html

the best pdfs are at the anarchist library
http://theanarchistlibrary.org/HTML/Sophia_Nachalo_and_Yarostan_Vochek__Letters_of_Insurgents__part_01_10_.html

and commentary at insurgent summer
http://insurgentsummer.org/