Number | Name | Date | Kind |
---|---|---|---|
2178550 | Acree | Nov 1939 | |
3022926 | Bailey | Feb 1962 | |
3129052 | Dawson | Apr 1964 | |
3920400 | Scheibe et al. | Nov 1975 | |
4051056 | Hartman | Sep 1977 | |
4063877 | Elliot et al. | Dec 1977 |
Entry |
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"The Theory and Practice of Wool Dyeing", by C. L. Bird, The Soc. of Dyers and Colourists, Dean House, Piccadilly, 1963. |