BibSlavKon: 506 hits for 15 on page 26

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 15 provides 506 hits
251	Slov`jansʼka mifolohija ta slov`jansʼki viruvannja : modeli interpretaciji Mykytenko, Oksana; Ohijenko, Iryna - Slov`jans’ki obriji (2013), 74–89
252	Foľklornyje narrativy pograničʼja : problemy i perspektivy issledovanija : (na primere narodno-christianskich legend i toponimičeskich predanij) Belova, Oľga Vladislavovna - Pisʼmennosť, literatura, foľklor slavjanskich narodov. Istorija slavistiki : XV Meždunarodnyj s“jezd slavistov : Minsk, 20–27 avgusta 2013 g. : doklady rossijskoj delegacii (2013), 466–485
253	Zoofolkloristika : pregled rezultata prvog kulturnoanimalističkog projekta u Hrvatskoj Zaradija Kiš, Antonija; Marjanić, Suzana - A tko to ide? = A hto tam idze? : hrvatski prilozi XV. Međunarodnom slavističkom kongresu (2013), 215–227
254	Le dur métier de montreur dʼours : les plaintes et les dépositions des baladins russes (skomoroxi) comme source historique Lavrov, Aleksandr - Revue des études slaves 84 (2013) 1/2, 155–167
255	How a Joke is Performed in Russian Face-to-Face-Interaction : the Telling of an Anekdot as Perfomance Thielemann, Nadine - Deutsche Beiträge zum 15. Internationalen Slavistenkongress : Minsk 2013 (2013), 293–302
256	Vostočnoslavjanskije zagovory ot ukusa zmei : temy i sjužety, lokaľnyje osobennosti i slavjanskije paralleli Agapkina, Tatʼjana Aleksejevna - Pisʼmennosť, literatura, foľklor slavjanskich narodov. Istorija slavistiki : XV Meždunarodnyj s“jezd slavistov : Minsk, 20–27 avgusta 2013 g. : doklady rossijskoj delegacii (2013), 434–465
257	Narodnyje molitvy i zagovory v češskom foľklore : analiz teksta v svete istorii russkoj etnolingvistiki i foľkloristiki Velmezova, Ekaterina - Contributions suisses au XVe congrès mondial des slavistes à Minsk, août 2013 = Schweizerische Beiträge zum XV. Internationalen Slavistenkongress in Minsk, August 2013 (2013), 285–303
258	O metodach sopostaviteľnogo izučenija onomastiki vostočnoslavjanskogo magičeskogo foľklora Yudin, Aleksey - Pegasus Oost-Europese Studies (2013), 227–241
259	Hrvatske pučke molitvice : formulnost i metaforika Marks, Ljiljana - A tko to ide? = A hto tam idze? : hrvatski prilozi XV. Međunarodnom slavističkom kongresu (2013), 243–254
260	Ujaŭlenni slavjan pra kalectvy i cjalesnyja chiby ŭ etnasemijatyčnaj perspektyve Valodzina, Taccjana - Movaznaŭstva, litaraturaznaŭstva, faľklarystyka : XV Mižnarodny z`jezd slavistaŭ (Minsk, Belarusʼ, 20–27 žniŭnja 2013 h.) : daklady belaruskaj delehacyi (2013), 305–320

Bibliography of International Congresses of Slavists (BibSlavKon)