The Philadelphia Inquirer
| August 13, 1967 |
| August 21, 1967 |
| August 25, 1967 |
| May 10, 1970 |
| April 4, 1971 |
| August 4, 1971 |
| November 12, 1972 |
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| December 5, 1973 |
| February 9, 1975 |
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| December 11, 1979 |
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| May 9, 1980 |
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| February 9, 2010 |
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| April 13, 2011 |
| December 4, 2012 |
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| February 18, 2013 |
| June 6, 2014 |
| January 25, 2015 |