Category:Article with known issues

This category contains articles with known issues. Feel free to improve! The subcategories all come with description pages giving hints how to improve the collection in the relevant subcategory; just click on any subcategory listed below (e.g. Category:Collection not in Clavis database).

To add a collection to one of these subcategories, go to the description page, choose "edit source", and insert the relevant code (e.g. [[Category:Collection not in Clavis database]]). You can also add articles with other issues into this category directly (rather than one of its subcategories) by inserting [[Category:Articles with known issues]]. In this case, please leave a note on the discussion page what the problem is so that other users can improve the article.