The series contains set of the bulletins Materialy Samizdata (Materials of Samizdat) with some gaps covering period from 1971 to 1991. This publication was initiated in 1968 in order to make samizdat documents available to the Radio Liberty staff. The bulletins were circulated in the RL (later RFE/RL). During certain periods they were either weekly or fortnightly.
The bulletin contain the original texts of samizdat documents with some references and notes. It has also a cover page and the table of content.