BibSlavKon: 43 hits for P1820 on page 3

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 P1820 provides 43 hits
21	Kăm văprosa za slavjanskoto edinstvo v poezijata na Petăr Preradovič Kuev, K. M. - Slavjanska filologija : materiali za V Meždunaroden kongres na slavistite (1963), 97-119
22	„Reč’ Filosofa“ Povesti vremennych let i jeje velikomoravskaja i preslavskaja predystorija Reinhart, Johannes - Wiener Slavistisches Jahrbuch (2008), 151–170
23	Obraz „tatarina“ v povesti „Chadži-Murat“ L’va Tolstogo Lönnqvist, Barbara - Studia slavica finlandensia (2008), 40–53
24	Računalna obradba hrvatskih korpusa : povijest, stanje i perspektive Tadić, Marko - Suvremena lingvistika 23 (1997) 1/2 = 43/44, 387-394
25	Neblagočestije i traktovka Svjaščennogo Pisanija v „Povesti o Savve Grudcyne“ Gonneau, Pierre - Biblejskije citaty v cerkovnoslavjanskoj literature : XIII Meždunarodnyj s`jezd slavistov (Ljubljana, 15–21 avgusta 2003 g.) : tematičeskij blok : doklady = Biblical Quotations in Slavonic Literature : XIII International Congress of Slavists (Ljubljana, 15–21 August 2003) : Panel : Papers (2003), 42–51
26	Neblagočestije i traktovka Svjaščennogo Pisanija v „Povesti o Savve Grudcyne“ Gonneau, Pierre - Slavjanovedenije (2003), 60–69
27	Glazami sobaki : (o povesti Georgija Vladimova „Vernyj Ruslan“) Geisser-Schnittmann, Svetlana - Schweizerische Beiträge zum XI. Internationalen Slavistenkongress in Bratislava, September 1993 = Contributions suisses au XIe congrès international des slavisants à Bratislava, septembre 1993 (1993), 41-56
28	Žanr drevnerusskoj povesti i značenije bolgarskich paradigm („archetipov“) v jego formirovanii Boeva, Ljudmila - Slavjanska filologija (1988), 55-63
29	Der Mathematiker als Schriftsteller : Zamjatins Zukunftsroman „My“ als negative und positive Utopie Peters, Jochen-Ulrich - Zeitschrift für slavische Philologie 48 (1988) l, 197-213
30	Povijest hrvatskoga književnog jezika s kraja 19. i početka 20. stoljeća Vince, Zlatko - Prilozi (1978), 125-140

Bibliography of International Congresses of Slavists (BibSlavKon)