Talk:Tornado outbreak sequence of December 18–20, 1957

Orphaned references in December 1957 tornado outbreak sequence
I check pages listed in Category:Pages with incorrect ref formatting to try to fix reference errors. One of the things I do is look for content for orphaned references in wikilinked articles. I have found content for some of December 1957 tornado outbreak sequence's orphans, the problem is that I found more than one version. I can't determine which (if any) is correct for this article, so I am asking for a sentient editor to look it over and copy the correct ref content into this article.

Reference named "Grazulis": From List of F5 and EF5 tornadoes:  From 1953 Vicksburg, Mississippi tornado outbreak: Grazulis, Thomas P. (1993). Significant Tornadoes 1680-1991: Chronology and Analysis of Events. Environmental Films. 

I apologize if any of the above are effectively identical; I am just a simple computer program, so I can't determine whether minor differences are significant or not. AnomieBOT ⚡ 05:25, 3 July 2013 (UTC)

External links modified
Hello fellow Wikipedians,

I have just modified 2 one external links on December 1957 tornado outbreak sequence. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Corrected formatting/usage for http://bangladeshtornadoes.org/UScases/STL/discussion.html
 * Corrected formatting/usage for http://bangladeshtornadoes.org/UScases50to59.html

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Cheers.—cyberbot II  Talk to my owner :Online 06:56, 28 April 2016 (UTC)