Henry Ernest Dudeney/Puzzles and Curious Problems/177 - Square of Squares/Historical Note

== Historical Note on by : $177$ - Square of Squares == This puzzle also appears in 's $1917$ collection, under the title $173$ - Mrs. Perkins's Quilt.

The problem had previously appeared in $1907$ in the first issue of, edited by.

This was later published in 's pusthumous collection.

If stole it from, then  must have published it somewhere before $1907$.

reports in $1968$ that the general problem of dividing a square lattice of any size along lattice lines into the smallest number of squares has been discussed but not solved in several places, including by him.

The corresponding problem on a triangular lattice, he reports, had not been studied at that time.