Championship 2012-13 season: Club-by-club guide - BBC Sport

League Two 2012-13 season: Club-by-club preview - BBC Sport

Championship 2012-13 season: Club-by-club guide - BBC Sport

The newcomer's guide on who to support in the Saudi Pro League

EFL Championship - Wikipedia

BBC Sport - Wikipedia

League Two 2012-13 season: Club-by-club preview - BBC Sport

Championship 2012-13 season: Club-by-club guide - BBC Sport

Championship 2012-13 season: Club-by-club guide - BBC Sport

Championship 2012-13 season: Club-by-club guide - BBC Sport

Premier League 2012-13 season: Club-by-club guide - BBC Sport

The Premier League's UK£6.7bn TV deal: The winners, what it means for and DAZN, and where English soccer goes from here - SportsPro

Premier League 2012-13 season: Club-by-club guide - BBC Sport

2012/13 Championship Final Day Relegation Battle

The amount of clubs from the Top 5 leagues who reached the UCL knockout stages : r/soccer

Premier League Handbook 2012/13 - Premierleague.com