Talk:Blue Cross (chemical warfare)

External links modified
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I have just modified one external link on Blue Cross (chemical warfare). 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:
 * Added archive https://web.archive.org/web/20100919085218/http://cbwinfo.com/History/WWI.html to http://www.cbwinfo.com/History/WWI.html

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Cheers.— InternetArchiveBot  (Report bug) 04:30, 22 July 2017 (UTC)