19:1619:16, 8 August 2013diffhist+2,234
N
Harriet Law
←Created page with '{{User sandbox}} <!-- EDIT BELOW THIS LINE --> Harriet Law (1831 – 1897) Harriet Law, nee Harriet Teresa Frost, was born in Essex. Her upbringing was in a Ba...'
20:3720:37, 26 August 2007diffhist+256
Polyomino
(a) "enumeration of pentominoes dated to antiquity" queried. (b) work in Fairy Chess Review cited (c) and external link provided as proof.
19:1619:16, 8 August 2013diffhist+2,234
N
Harriet Law
←Created page with '{{User sandbox}} <!-- EDIT BELOW THIS LINE --> Harriet Law (1831 – 1897) Harriet Law, nee Harriet Teresa Frost, was born in Essex. Her upbringing was in a Ba...'
20:3720:37, 26 August 2007diffhist+256
Polyomino
(a) "enumeration of pentominoes dated to antiquity" queried. (b) work in Fairy Chess Review cited (c) and external link provided as proof.