BibSlavKon: 632 hits for 10 on page 24

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 Volume 10 provides 632 hits
231	Charakterni osobenosti na leksikata na starobălgarskite pametnici Ivanova-Mirčeva, Dora - Slavjanska filologija (1988), 29-35
232	Elementy starobułgarskie i cerkiewnosłowiańskie w polszczyźnie XVI w. Karpluk, Maria - Z polskich studiów slawistycznych. Seria 7, Językoznawstwo : prace na X Międzynarodowy kongres slawistów w Sofii 1988 (1988), 179-187
233	Die altbulgarische Übersetzung der Predigten des Gregor von Nazianz Keipert, Helmut - Slavistische Studien zum X. Internationalen Slavistenkongress in Sofia 1988 (1988), 65-81
234	Za narodnata osnova na slovoobrazuvatelnite modeli na složnite săštestvitelni v starobălgarskija ezik Kočev, Ivan; Kočeva, Emilija; Domusčieva, Liljana - Slavjanska filologija (1988), 46-63
235	Nasal Vowels in the Cyrillo-Methodian Language and in Dialects of Southeast Macedonia Lindstedt, Jouko - Studia slavica finlandensia (1988), 69-86
236	Zum Einfluss der Kyrillica auf die Glagolica Marti, Roland - Schweizerische Beiträge zum X. Internationalen Slavistenkongress in Sofia, September 1988 = Contributions suisses au Xe congrès international des slavisants à Sofia, septembre 1988 (1988), 245-263
237	Archaizmi i novi čerti v ezika na preslavskata knižnina Minčeva, Angelina - Slavjanska filologija (1988), 138-146
238	Kăm văprosa za vzaimootnošenijata meždu slavjanskite knižovni ezici (s ogled na starobălgarskija i staročeškija knižoven ezik) Mladenova, Margarita - Slavjanska filologija (1988), 250-255
239	Problemy staroslavjanskogo perevoda psalmov Moriyasu, Tatsuya - Comparative and Contrastive Studies in Slavic Languages and Literatures : Japanese Contributions to the Tenth International Congress of Slavists : Sofia, September 14-21, 1988 (1988), 11-27
240	Czy słownictwo przekładów scs. było uboższe od słownictwa oryginałów greckich Moszyński, Leszek - Z polskich studiów slawistycznych. Seria 7, Językoznawstwo : prace na X Międzynarodowy kongres slawistów w Sofii 1988 (1988), 269-280

Bibliography of International Congresses of Slavists (BibSlavKon)