Mate en 2
Antonov, Jurij & Sedej, Sergej
1984
Hlas Ludu 1984
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
Hartong, Jan
1951
3 pr. Probleemblad 1951
Lunn, Peter
1953
The Tablet 1953