June 2016[edit]
Please do not add or change content, as you did at Lodewijk de Kruif, without citing a reliable source. Please review the guidelines at Wikipedia:Citing sources and take this opportunity to add references to the article. Thank you. GiantSnowman 10:14, 7 June 2016 (UTC)
Question[edit]
What sockpuppets are they using? wumbolo ^^^ 15:52, 4 June 2019 (UTC)
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