Durham City A.F.C. - League history (1921-1927)

P - Played
W - Won.
T - Tie.
D - Draw.
L - Lost.
GF - Goals for.
GA - Goals against.
Dif. - Goal difference. 

Reference 1: Pld, W, D, L, GF, GA and Pts.

Reference 2: 1921–22, 1922–23, 1923–24, 1924–25, 1925–26, 1926–27 and 1927–28.

Source: http://en.wikipedia.org/wiki/Durham_City_A.F.C.