1930–31 Istanbul Football League on:
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The 1930–31 İstanbul Football League season was the 23rd season of the league. Galatasaray SK won the league for the 11th time.
Season
References
* Erdoğan Arıpınar; Tevfik Ünsi Artun, Cem Atabeyoğlu, Nurhan Aydın, Ergun Hiçyılmaz, Haluk San, Orhan Vedat Sevinçli, Vala Somalı (June 1992). ''Türk Futbol Tarihi (1904-1991) vol.1'', ''Page(47)'', Türkiye Futbol Federasyonu Yayınları. {{DEFAULTSORT:1930-31 Istanbul Football League Istanbul Football League seasons Turkey Istanbul