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Advanced search allows you to navigate to the desired set interactively by setting search conditions on categories, tags, languages, origins, etc.

Only logged in user may use this search. Use the filter on your right to specify your query (pattern filter to search for a pattern or book / magazine filter to search for printed editions). You can refine the result set step-by-step by setting further filter options.

Attention! In the beginning, the filter displays the search terms in all available languages. Once you set the first search condition, the filter adapts the view to display only those terms valid in the specified context.