Mate en 2
Healey, Frank
1876
The English Chess Problem
Healey, Frank
1876
The English Chess Problem
Abela Della Torre, Aurelio
1865
El Museo Universal 1865
Antonov, Jurij & Sedej, Sergej
1984
Hlas Ludu 1984
Abbott, Joseph William
1887
Book of the Counties’ Chess Association
Bennett, Frederick W.
1876
The English Chess Problem