Here are some puzzles taken from the chess games of strong players of
the early 20th century. Except where noted, it's "White to Move and
Win".

a) http://wtharvey.com/dec15a.png White Mates in 3, Grigory Lowenfisch
vs Freymann, USSR, 1925

b) http://wtharvey.com/dec15b.png Lean vs Fritzis Apscheneek, Bromley,
1925

c) http://wtharvey.com/dec15c.png Paul Johner vs Hans Kmoch, Debrecen,
1925

d) http://wtharvey.com/dec15d.png David Janowski vs Friedrich
Saemisch, Marienbad, 1925

e) http://wtharvey.com/dec15e.png Krylenko vs Lykum, USSR, 1925

Solutions are posted at the top of http://wtharvey.com/prodex.html

WH