Number | Name | Date | Kind |
---|---|---|---|
1192829 | Harriman | Jul 1916 | |
3242596 | Smith | Mar 1966 | |
3287831 | Holm | Nov 1966 | |
3823492 | Allain | Jul 1974 | |
4109938 | Mitchell et al. | Aug 1978 |
Entry |
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Writing Research Papers by James D. Lester, .COPYRGT.1976, 1971, Scott, Foresman and Company, Title Page, pp. 42-47. |
Encyclopaedia Britannica, Micropaedia 3 pages, vol. II (Title, How to Use, and p. 561); Macropaedia, 4 pages, vol. 3 (Title, pp. 875, 876, 885); Propaedia, 6 pages (Title, How to Use, 9-11 and 220). |
PTO Manual of Classification, pp. IV-19; V-1; III-25, dated May 1979. |