BibSlavKon: 687 hits for 7 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 Volume 7 provides 687 hits
11	K voprosu o vyraženii aktuaľnosti v jazyke : (na materiale Mariinskogo jevangelija, boľšeju časťju jev. Matfeja) Dombrovszky, J. - Studia Slavica Academiae scientiarum Hungaricae 19 (1973) 1/3, 17-26
12	Kăm stratigrafijata na imennite tipove v slavjanskite i baltijskite ezici Duridanov, I. - Slavjanska filologija (1973), 27-36
13	La dénasalisation dans les langues slaves Durin, J. - Communications de la délégation française (1973), 131-145
14	Zum Problem der baltisch-slawischen Sprachbeziehungen am Material der Nominalstämme auf -i Eckert, R. - Zeitschrift für Slawistik 17 (1972) 5, 605-615
15	Zur Gliederung slawischer Sprachräume im Lichte der Onomastik Eichler, E. - Zeitschrift für Slawistik 17 (1972) 5, 616-625
16	Urslavische Auslautprobleme Gălăbov, I. - Wiener slavistisches Jahrbuch : Beiträge österreichischer Slavisten zum VII. Internationalen Slavistenkongress Warschau 1973 (1973), 5-17
17	Le paradigme accentuel oxyton est-il slave commun? Garde, P. - Communications de la délégation française (1973), 159-171
18	The Initial x- in Common Slavic : a Contribution to Prehistorical Slavic-Iranian Contacts Gołąb, Z. - American Contributions to the Seventh International Congress of Slavists : Warsaw, August 21-27, 1973 (1973), 129-156
19	Etimologičeskoje issledovanije semantičeski ograničennych grupp leksiki v svjazi s problemoj rekonstrukcii praslavjanskich tekstov Ivanov, V. V.; Toporov, V. N. - Slavjanskoje jazykoznanije (1973), 153-169
20	Praslavjanskaja fonema /ó/ v rannich preobrazovanijach slavjanskich vokaličeskich sistem Kolesov, V. V. - Slavjanskoje jazykoznanije (1973), 170-195

Bibliography of International Congresses of Slavists (BibSlavKon)