Mate en 2
Elkhan, Alexander A.
1903
Revue d’Échecs, 1903
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
Mansfield, Comins
1958
1st Pr. British Ring Ty., 1958