BibSlavKon: 74 hits for P1580 on page 2

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 P1580 provides 74 hits
11	Problems of Translation : the Plays of A.N. Ostrovsky in English Zohrab, I. - Melbourne Slavonic Studies : organ of the Australian and New Zealand Slavist’ Association (1982), 43-88
12	The Place of the Vowely in the Development of the Slavonic Languages Press, J. Ian - The Slavonic and East European Review 55 (1977) 4, 470-490
13	The Role of Czech in the Formation of the Polish Literary Language Schenker, Alexander M. - American Contributions to the Eighth International Congress of Slavists : Zagreb and Ljubljana, September 3-9, 1978 (1978), 574-596
14	The Place of Futurism in West and South Slavic Poetry Folejewski, Zbigniew - Canadian Contributions to the VIII International Congress of Slavists (Zagreb – Ljubljana 1978) : Tradition and Innovation in Slavic Literatures, Linguistics and Stylistics (1978), 45-59
15	Stylization and Its Function in Postwar Polish Poetry Czaykowski, Bogdan - Canadian Contributions to the VIII International Congress of Slavists (Zagreb – Ljubljana 1978) : Tradition and Innovation in Slavic Literatures, Linguistics and Stylistics (1978), 167-179
16	The Polish Insurrection of 1863 in the light of New York Editorial Opinion Coleman, A. P.; Coleman, M. M. - Księga referatów : II Międzynarodowy zjazd slawistów (filologów słowiańskich). Sekcja III – Kulturalno-społeczna ; Sekcja IV – Dydaktyczna = Recueil des communications : II Congrès international des slavistes (philologues slaves). Section III – Sciences sociales et histoire de la civilisation ; Section IV – Didactique (1934), 26-29
17	Višejezičnost u Hrvatskoj u drugoj polovici XIX. stoljeća Samardžija, Marko - Vidjeti Ohrid : referati hrvatskih sudionica i sudionika za XIV. Međunarodni slavistički kongres : (Ohrid, 10.–16. rujna 2008.) (2008), 253–266
18	Recent Polish History and Cinerna : Solidarity on Film, 1980-2006 Bates, John - Epicentre electronic publishing [online] (2008), 4 s.
19	Komparativistika v Poľše – nabrosok situacii na 2007 god., s voprosami na 2008 god. Wiśniewska, Lidia - Referati na makedonskite slavisti za XIV-ot meǵunaroden slavistički kongres vo Ochrid, 10–16 septemvri 2008 godina = Macedonian Contributions to the 14th International Congress of Slavists held in Ohrid from 10 to 16 September 2008 (2008), 513–525
20	Polesʼje kak archaičeskaja zona Slavii : etnolingvističeskij aspekt Plotnikova, Anna Arkadʼjevna - Slavjanskoje jazykoznanije : XV Meždunarodnyj s“jezd slavistov : Minsk, 2013 g. : doklady rossijskoj delegacii (2013), 233–253

Bibliography of International Congresses of Slavists (BibSlavKon)