Pages 95 to 115 (studies with other material) of the Arves book: Depth and Beauty, by John Beasley
about the Chess Endgame studies of Mandler, Artur 1891-1971
See also: http://www.jsbeasley.co.uk/ochess/mand095115.pdf
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The other articles with parts of this book:
Depth and Beauty, pages 116-128