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| 0000070684-14-000026-index.html | 2014-05-12 12:34:22 | |
| 0000070684-14-000026.txt | 2014-05-12 12:34:22 | |
 0000070684-14-000026-xbrl.zip | 305049 | 2014-05-12 12:34:22 |
| FilingSummary.xml | 25222 | 2014-05-12 12:34:22 |
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| nwli2014q110q.htm | 2996028 | 2014-05-12 12:34:22 |
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| report.css | 2740 | 2014-05-12 12:34:22 |
| Show.js | 1410 | 2014-05-12 12:34:22 |