Mate en 2
Abbott, Joseph William
1887
Book of the Counties’ Chess Association
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
van Dijk, Nils G.G.
1977
Hamar Arbeiderblad 1977