Mate en 2
Lord, Frederick William
1876
The English Chess Problem, 1876
Lord, Frederick William
1876
The English Chess Problem, 1876
Elkhan, Alexander A.
1903
Revue d’Échecs, 1903
Bartolovic, Ing. Vojko
1956
1. pr. Magasenet, 1956
Johnson, B.W.
1876
The English Chess Problem
Ellerman, Arnoldo
1911
La Vida Moderna, 1911