BibSlavKon: 233 hits for R7800 on page 1

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
1	Le préverbe pere- en russe Martinowsky, Georges - Revue des études slaves 74 (2002–2003) 2/3, 291–302
2	O rozwoju prasł. kt + i~ tj Węglarz, Wiktor - Saopštenja i referati : III međunarodni kongres slavista (slovenskih filologa) : 18.–25.IX.1939 = Communications et rapports : IIIème congrès international des slavistes (philologues slaves) (1939), 78-79
3	L. Tolstoj i Russo Karcevskij, S. - Księga referatów : II Międzynarodowy zjazd slawistów (filologów słowiańskich). Sekcja II – Historja literatury = Recueil des communications : II Congrès international des slavistes (philologues slaves). Section II – Histoire littéraire (1934), 81
4	Ju. Zejer i Rossija Treimer, Karl - Sborník prací I. sjezdu slovanských filologů v Praze 1929 (1932), 399-404
5	Noms et surnoms en Russie (XVe-XVIIe siècles) : perspectives de recherche en onomastique russe Schakhovskoy, Dimitri - Revue des études slaves (1978) 1/2, 201-205
6	The Avant-Garde in Russia and the West Bristol, Evelyn - American Contributions to the Eleventh International Congress of Slavists : Bratislava, August - September 1993 : Literature : Linguistics : Poetics (1993), 25-35
7	La préposition élidée en russe Comtet, Maurice - Revue des études slaves 60 (1988) 1, 103-112
8	Kwestia polska w Rosji w 1905 roku Łukawski, Zygmunt - Z polskich studiów slawistycznych. Seria 7, Literaturoznawstvo, Folklorystyka, Problematyka historyczna : prace na X Międzynarodowy kongres slawistów w Sofii 1988 (1988), 581-591
9	Slavistika v Rossii XVIII v. Moisejeva, Galina Nikolajevna - Istorija, kuľtura, etnografija i foľklor slavjanskich narodov : VIII meždunarodnyj s“jezd slavistov : Zagreb – Ljubljana, sentjabr’ 1978 g. : doklady sovetskoj delegacii (1978), 511-516
10	Czynniki w rozwoju form czasownikowych Hamm, J. - Wiener slavistisches Jahrbuch : Beiträge österreichischer Slavisten zum VII. Internationalen Slavistenkongress Warschau 1973 (1973), 18-28

Bibliography of International Congresses of Slavists (BibSlavKon)