BibSlavKon: 24 hits for B1540 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 B1540 provides 24 hits
1	Mif ob Orfeje v tvorčestve Andreja Belogo, Aleksandra Bloka i Vjačeslava Ivanova Yurieff, Zoya - American Contributions to the Eighth International Congress of Slavists : Zagreb and Ljubljana, September 3-9, 1978 (1978), 779-799
2	La biologie du langage et la phonologie Ginneken, J. Van - 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), 27-30
3	Sputnik Bloka – Vladimir Pjast Grišunin, Andrej Leopoľdovič - Slavjanskije literatury, kuľtura i foľklor slavjanskich narodov : XII meždunarodnyj s`jezd slavistov (Krakov, 1998) : doklady rossijskoj delegacii (1998), 189-203
4	Za neutralizacijata na semantičkiot beleg „kontrast“ kaj demonstrativite Korubin, Blagoja - Referati na makedonskite slavisti za X Meģunaroden slavistički kongres vo Sofija (1988), 41-51
5	Stichotvorenije Aleksandra Bloka „Bolotnyj popik“ Voogd-Stojanova, T. - Dutch Contributions to the Eighth International Congress of Slavists : Zagreb, Ljubljana, September 3-9, 1978 (1979), 383-396
6	Zur Typologie der ältesten Belege slawischer Ortsnamen im Mittelelbegebiet Bily, Inge - Onomastica : pismo poświęcone nazewnictwu geograficznemu i osobowemu (1997), 81-93
7	Vstreča Puškina s Mickevičem v „Peterburge“ Andreja Belogo Szilard, Lena - Contributi italiani al XIII Congresso internazionale degli slavisti : (Ljubljana 15–21 agosto 2003) (2003), 573–590
8	K sporu vokrug staťji A. Bloka „Krušenije gumanizma“ Ivanova, Jelena Vladimirovna - Slavjanskije literatury : X Meždunarodnyj s“jezd slavistov : Sofija, sentjabr’ 1988 g. : doklady sovetskoj delegacii (1988), 192-201
9	Osobennosti ustnoj reči russkojazyčnych immigrantov vo francuzskoj časti Beľgii Stangé-Zhirovova, Nadia - Slavica gandensia (1998), 135-145
10	Russkaja emigracija v Beľgii : periferijnaja kuľtura ili samostojateľnyj centr? Coudenys, Wim - Slavica gandensia (1998), 9-17

Bibliography of International Congresses of Slavists (BibSlavKon)