Turkish-Soccer archives provides some information on Turkish Third Football League but not for all seasons. 1967–68 thru 1974–75 and 1997–98 thru 2000–01 seasons' information on promotion and relegation are available.
TFF (Turkish Football Federation) provides information on promotion from TFF Third League (including Turkish Third Football League) to TFF Second League since 1963–64. TFF provides league tables and scores obtained in Turkish Third Football League since 1990-91, but provides no information on relegation matters. Only last season's league status is provided.
Spor-Toto 3. League on Spor-Toto Third League. Note: The Turkish version of the page contains an "archives" section.
TFF Regional Amateur League group winners. Obtained from TFF Bölgesel Amatör Ligi. Retrieved on 01.05.2011
Bölgesel Amatör Lig'den TFF 3. Lig'e çıkan 9 takım belli oldu. TFF league page(in Turkish)
Bölgesel Amatör Lig'den TFF 3. Lig'e çıkan 11 takım belli oldu. TFF league page(in Turkish)