BibSlavKon: 687 hits for 7 on page 6

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
51	Stilističkata upotreba na turcizmite vo sovremeniot makedonski jazik Jašar-Nasteva, O. - Referati na makedonskite slavisti za VII Meģunaroden slavistički kongres vo Varšava (1973), 35-43
52	Greko-russkije sintaksičeskije svjazi Jordal, K. - Scando-Slavica (1973), 143-164
53	Typen innerer Lehnprägung im Dravänopolabischen (mit besonderer Berücksichtigung der lexikalischen Lehnprägungen) Kaiser, E. - Slavistische Studien zum VII. Internationalen Slavistenkongress in Warschau 1973 (1973), 219-235
54	Polish-Latin Influences in Pre-Petrine East Slavonic : Some Observations Leeming, H. - The Slavonic and East European Review 51 (1973) 124, 344-357
55	Greek and Latin Elements in Pamvo Berynda’s Lexicon of 1627 Leeming, M. - The Slavonic and East European Review 51 (1973) 123, 182-213
56	Inojazyčnyje vlijanija v leksike pamjatnikov staroslavjanskoj pis’mennosti (tjurkizmy) Ľ'vov, A. S. - Slavjanskoje jazykoznanije (1973), 211-228
57	Počeci hrvatskog književnog jezika Malić, D. - Prilozi (1973), 83-88
58	Morfološka adaptacija imenica stranog porijekla sa sufiksom -ist u srpskohrvatskom jeziku Marković, Sv. B. - Književni jezik (1972) 3/4, 25-40
59	Foreign Elements in the Abstract Vocabulary of V.I. Dunin-Marcinkievič Mcmillin, A. B. - The Slavonic and East European Review 50 (1972) 121, 507-520
60	Posuđeni elementi u ruskoj i hrvatskoj frazeologii Menac, A. - Prilozi (1973), 89-98

Bibliography of International Congresses of Slavists (BibSlavKon)