BibSlavKon: 18 hits for S8620 on page 2

The Bibliography of International Congresses of Slavists (1929-2018) was converted from thirteen printed volumes into a database in cooperation with the Slavonic Library in Prague (Slovanská knihovna Praha) and contains 8550 records. Since 2008 the Bibliography appear only in electronic form and will be updated in five-year interval according to the next Congresses of Slavists. The further information can be found here. The overview of the classification can be found: here.

Your search for S8620 provides 18 hits
11	La traduction vieux-s1ave du Traité de la Virginité de saint Basile Vaillant, A. - Księga referatów : II Międzynarodowy zjazd slawistów (filologów słowiańskich). Sekcja I – Językoznawstwo = Recueil des communications : II Congrès international des slavistes (philologues slaves). Section I – Linguistique (1934), 147-148
12	Răkopisite na „Cărkovnija istoriko-archeologičeski muzej pri sv. Sinod“ v Sofija Gošev, Iv. - Odgovori na pitanja – Saopštenja i referati : Dopune : III međunarodni kongres slavista (slovenskih filologa) : 18.–25.IX.1939 = Réponses aux questions – Communications et rapports : Supplément : IIIème congrès international des slavistes (philologues slaves) (1939), 60-62
13	Groupsourcing Folklore Sound Files : Involving the Community in Research Kononenko, Natalie - Canadian Slavonic Papers : an Interdisciplinary Journal Devoted to Central and Eastern Europe 55 (2013) 1/2, 131–150
14	Sound Patterns in the Slovo o polku Igoreve : Comparative and Theoretical Perspectives on Old Russian Poetics Yokoyama, Olga; Vine, Brent - American Contributions to the Tenth International Congress of Slavists : Sofia, September 1988 : Literature (1988), 415-433
15	Le thème du pritemps : contribution à ľétude des rapports entre le folklore et la littérature savante en Rusie Triomphe, R. - Revue des études slaves 42 (1963) 1/4, 149
16	Le palimpseste hagiographique de la Pologne du haut Moyen Âge : ľespace et le temps du culte de saint Stanislas de Szczepanowo Siama, Monika - Revue des études slaves 79 (2008) 1/2, 35–52
17	An Aspect of Tolstoy’s Impact on Modern English Fiction : the Kreutzer Sonata and Joyce Cary’s The Moonlight Jones, Malcolm V. - The Slavonic and East European Review 56 (1978) 1, 97-105
18	Konfesijní otázka a vědomí náboženské výlučnosti v konstituování raně novověké identity : (na materiálu ruských historických vyprávění o Smutě první poloviny 17. století) Příhoda, Marek - Slavia : časopis pro slovanskou filologii 82 (2013) 1/2, 189–202

Bibliography of International Congresses of Slavists (BibSlavKon)