BibSlavKon: 19 hits for P1868 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 P1868 provides 19 hits
1	The Pessimism of V.M. Garšin Brodal, J. - Scando-Slavica (1973), 17-30
2	Les noms russes de poissons en-ga Ľhermitte, R. - Revue des études slaves 42 (1963) 1/4, 147-148
3	Źeło Nimcow we serbskem pismowstwe Śwěla, B. - 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), 158
4	Poetika slovenskega narodnoosvobodilnega pesništva 1941-1945 Paternu, Boris - Slavistična revija : časopis za jezikoslovje in literarne vede 25 (1977) št. kongresna, 161-193
5	Słowjanske stopy w dolnoserbskem pismowstwe Šwjela, Bogumił - Sborník prací I. sjezdu slovanských filologů v Praze 1929 (1932), 391-398
6	Realismo quotidiano e tendenziosità in Vzbalamučennoje more di A.F. Pisemskij Schiaffino, Gabriella - Europa orientalis : Studi e Ricerche sui Paesi e le Culture delľEst Europeo & Bibliografia Italiana Corrente sulľEuropa Orientale 7 (1988), 101-114
7	Ruske wothłosy w serbskim pismowstwje 19. lětstotka Młynk, Jurij - Sorabistiske přinoški k VI. mjezynarodnemu kongresej slawistow w Praze 1968 (1968), 115-128
8	Le Don paisible de M. Cholokhov : une oeuvre tragique et pessimiste Nedeljković, Dragoljub Dragan - Filološki pregled : časopis za stranu filologiju 5 (1968) 1/4, 69-81
9	Zaoštrena dikcija (acutezza) u hrvatskom baroknom pjesništvu Fališevac, Dunja - Croatica : prinosi proučavanju hrvatske književnosti (1992/1993), 107-121
10	Fridrich Helderlin u podtekstu pjesništva Ivana V. Lalića Delić, Jovan - Zbornik Matice srpske za slavistiku (2008), 85–105

Bibliography of International Congresses of Slavists (BibSlavKon)