BibSlavKon: 233 hits for R7800 on page 21

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 R7800 provides 233 hits
201	Symbolism and Stylized Prose in Russia and Poland : V. Brjusov’s Ognennyj angel and W. Berent’s Żywe kamienie Baer, J. T. - American Contributions to the Ninth International Congress of Slavists : Kiev, September 1983 (1983), 19-38
202	Il ruolo della letteratura faceta umanistica italiana nelle „facezie“ polacche e russe Graciotti, S. - Mondo slavo e cultura italiana : contributi italiani al IX Congresso Internazionale degli Slavisti Kiev 1983 (1983), 162-187
203	Ľévolution sémantique en russe des emprunts au français et au vocabulaire international spécialisé : recherche de méthode Martinowsky, Georges - Revue des études slaves (1978) 1/2, 171-179
204	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
205	Les nouvelles de Karamzine : „La pauvre Lize“ et „Nathalie, fille du boyard“ et leur influence sur la littérature russe du XIXe siècle Rozov, Zoé - Saopštenja i referati : III međunarodni kongres slavista (slovenskih filologa) : 18.–25.IX.1939 = Communications et rapports : IIIème congrès international des slavistes (philologues slaves) (1939), 144-145
206	Nacionaľnyj etos v prostranstve gipermarketa. Samooščuščenije geroja molodoj prozy Poľši i Rossii načala XXI v. Adeľgejm, Irina Jevgenʼjevna - Pisʼmennosť, literatura, foľklor slavjanskich narodov. Istorija slavistiki : XV Meždunarodnyj s“jezd slavistov : Minsk, 20–27 avgusta 2013 g. : doklady rossijskoj delegacii (2013), 293–312
207	Ušte ednaš za problemot na „zabrzaniot razvoj“ vo slovenskite literaturi: vrz materijalot na beloruskata i makedonskata kniževnost Ǵurčinov, Milan - Context : Review for Comparative Literature and Cultural Research = Kontekst : spisanie za komparativna kniževnost i kulturološko istražuvanje (2012) 10, 29–37
208	Les palimpsestes du théâtre de Čexov ou la réécriture comme miroir des mutations de ľUnion soviétique – Russie Autant-Mathieu, Marie-Christine - Revue des études slaves 84 (2013) 1/2, 57–69
209	Razvoj na funkcionalnite stilovi od zboroobrazuvački aspekt vo sovremeniot makedonski jazik pod mediumsko vlijanie Arizankovska, Lidija - Słowotwórstwo a nowe style funkcjonalne języków słowiańskich = Word-formation and the New Functional Styles of Slavic Languages : Papers in Thematic Session : XV International Congress of Slavists : Belorus, Minsk, 20.–27.08.2013 (2013), 135–145
210	Osnovne odlike i razvoj književnosti Stare Srbije krajem devetnaestog i u prvoj polovini dvadesetog veka Cvetanović, Vladimir - Književnost Stare i Južne Srbije do Drugog svetskog rata : zbornik radova (1997), 11-20

Bibliography of International Congresses of Slavists (BibSlavKon)