BibSlavKon: 687 hits for 7 on page 5

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
41	K voprosu izučenija pamjatnikov russkoj redakcii staroslavjanskogo jazyka : (na materialach Byčkovskoj psaltyri) Tóth, I. - Studia Slavica Academiae scientiarum Hungaricae 19 (1973) 1/3, 337-346
42	Die Entlehnungen des Niedersorbischen aus dem Niederdeutschen Bielfeldt, H. H. - Zeitschrift für Slawistik 17 (1972) 3, 329-345
43	Kyjevo-Mohyljans’ka akademija i rozvytok schidnoslov’jans’kych literaturnych mov u XVII-XVIII st. Bilodid, I. K. - 1973, 25 s.
44	Elementy struktury greckiej w języku bułgarskim : (na tle porównawczym) Budziszewska, W. - Prace filologiczne (1972), 207-219
45	Voprosy obščej i slavjanskoj sintaksičeskoj tipologii Dezsö, L. - Studia Slavica Academiae scientiarum Hungaricae 19 (1973) 1/3, 1-16
46	On the Influence of the English Language on Russian and Polish, and English Interference in the two Languages as Spoken on this Continent Grabowska, Y. - Canadian Contributions to the Seventh International Congress of Slavists : Warsaw, August 21-27, 1973 (1973), 185-202
47	Bulgare de ľEst kachpelik, bulgare de ľOuest kachpelăk? : (la ráelisation de ľi turc dans le sufixe -lik dans les turcismes bulgares à ľharmonie vocalique palatale par i ou e) Grannes, A. - Scando-Slavica (1973), 207-215
48	Spornyje problemy izučenija literaturnogo jazyka v drevnerusskij period Hüttl-Worth, G. - Wiener slavistisches Jahrbuch : Beiträge österreichischer Slavisten zum VII. Internationalen Slavistenkongress Warschau 1973 (1973), 29-47
49	O nekotorych problemach russkoj peredači anglijskich sobstvennych imen i drugich slov Iivainen, L. - Scando-Slavica (1973), 127-134
50	Jesli by v konce XV veka Novgorod oderžal pobedu nad Moskvoj : (ob odnom nesostojavšemsja variante istorii russkogo jazyka) Isačenko, A. V. - Wiener slavistisches Jahrbuch : Beiträge österreichischer Slavisten zum VII. Internationalen Slavistenkongress Warschau 1973 (1973), 48-55

Bibliography of International Congresses of Slavists (BibSlavKon)