Number | Name | Date | Kind |
---|---|---|---|
580542 | Battey | Apr 1897 | |
803059 | Hill | Oct 1905 | |
2009905 | Rankin | Jul 1935 | |
2181116 | Boyle | Nov 1939 |
Number | Date | Country |
---|---|---|
604792 | Sep 1978 | CHX |
2064965 | Jun 1981 | GBX |
Entry |
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"Creative Puzzles of the World", by Van Delft & Botermans, published by Harry N. Abrams, .COPYRGT.1978, p. 70. |