BibSlavKon: 11 hits for M6228 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 M6228 provides 11 hits
1	The Slavic Liquid-Metatheses Abernathy, Robert - American Contributions to the Sixth International Congress of Slavists : Prague, 1968, August 7-13 (1968), 9-27
2	Methodisches zum Problem der Volksballade Braun, Maximilian - Slavistische Studien zum VI. Internationalen Slavistenkongress in Prag 1968 (1968), 314-330
3	Nove v metodyci doslidžennja leksyky pysemnosti davn‘okyjivs’koji doby Pryskoka, O.; Frančuk, Vira - Movoznavstvo : naukovo-teoretyčnyj žurnal Instytutu movoznavstva im. O.O. Potebni ta Instytutu ukrajins’koji movy NAN Ukrajiny (1998) 2/3, 134-145
4	Methodius archiepiscopus Superioris (Magnae) Moraviae Birkfellner, Gerhard - Slavistische Studien zum XI. internationalen Slavistenkongress in Pressburg (1993), 29-55
5	Zur Entstehungsgeschichte slavischer Standardsprachen : (einige methodische Überlegungen) Kretschmer, Anna - Die Welt der Slaven : Halbjahresschrift für Slavistik 38 (N.F. 17) (1993) 2, 254-264
6	Description statistique de textes littéraires russes par les méthodes de Markov Petruszewycz, M. - Revue des études slaves 55 (1983) 1, 105-113
7	Zur Aussonderung des syntaktischen Gräzismen im Altkirchenslavischen : einige methodische Bemerkungen Birnbaum, H. - Scando-Slavica (1958), 239-257
8	Kirilo-metodievskite tradicii v Bălgarija – istoričeska retrospekcija i perspektiva Părličeva, Olga - Palaeobulgarica = Starobălgaristika 32 (2008) 2, 95–102
9	The Salonican Brothers Constantine and Methodius and their Role in Development of the European Christian Universe Hejl, František - Sborník prací Filozofické fakulty Brněnské univerzity : řada historická (C) (1992), 19-29
10	Kirilličeskij rukopisnyj učebnik drevnejevrejskogo jazyka (spisok XVI v.) i jego učebno-metodičeskije prijemy Temčinas, Sergejus - Slavistica vilnensis 58 (2013) 2, 7–33

Bibliography of International Congresses of Slavists (BibSlavKon)