Hansen, Erik
Dansk Skakproblem Kunst 1932-1992, 1993
#3
10 + 6
There are these versions: 142117
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).