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This article is within the scope of WikiProject Biography, a collaborative effort to create, develop and organize Wikipedia's articles about people. All interested editors are invited to
join the project and
contribute to the discussion. For instructions on how to use this banner, please refer to the
documentation.BiographyWikipedia:WikiProject BiographyTemplate:WikiProject Biographybiography articles
Karl Kessler is part of the WikiProject Biology, an effort to build a comprehensive and detailed guide to
biology on Wikipedia. Leave messages on the WikiProject
talk page.BiologyWikipedia:WikiProject BiologyTemplate:WikiProject BiologyBiology articles
Karl Kessler is within the scope of WikiProject Animals, an attempt to better organize information in articles related to
animals and
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project page.AnimalsWikipedia:WikiProject AnimalsTemplate:WikiProject Animalsanimal articles
This article is within the scope of WikiProject Russia, a
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Russia on Wikipedia. To participate: Feel free to edit the article attached to this page, join up at the
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This article is within the scope of WikiProject Germany, a collaborative effort to improve the coverage of
Germany on Wikipedia. If you would like to participate, please visit the project page, where you can join
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Karl Kessler is part of WikiProject Birds, an attempt at creating a standardized, informative and easy-to-use ornithological resource. If you would like to participate, visit the
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