1. AS n. 3671: 300 (80-1:761, Rabochie-dissidenty, 1978-1979).Budapest, Hungary: OSA
2. AS n. 3687: 300 (80-1:761, Rabochie-dissidenty, 1978-1979). Budapest, Hungary: OSA
3. AS n. 4192: 4.300 (80-1:761, Rabochie-dissidenty 1978-1979).Budapest, Hungary: OSA
4. Belotserkovskii, V. (1978, March 10). Interv’iu c Valentinom Ivanovym. 300 (80-1:760, Rabochie-dissidenty 1978-1979). Budapest, Hungary: OSA