I am a researcher looking for information on the historical newspaper 'Berliner Tageblatt'. I need to find out if it's available online for free and identify at least one library that holds it. Additionally, I'd like to know if the ZDB-Katalog provides details on the frequency of publication for periodicals.
Navigate to the ZDB-Katalog homepage (https://zdb-katalog.de). Enter 'Berliner Tageblatt' into the main search bar (ID 68) and click the submit button (ID 70). On the search results page, locate and apply the filter for 'Online kostenfrei verfügbar' (Online freely available). Examine the filtered results to determine if 'Berliner Tageblatt' is listed as freely available online. Click on a relevant search result for 'Berliner Tageblatt' to view its detailed record. On the detailed record page, identify at least one library listed as holding the newspaper. Review the detailed record or any available filters on the search results page to confirm if publication frequency information is provided for periodicals in general. Synthesize the findings regarding online availability, holding libraries, and publication frequency.
The agent successfully searches for 'Berliner Tageblatt'. The agent applies the 'Online kostenfrei verfügbar' filter. The agent states whether 'Berliner Tageblatt' is listed as freely available online. The agent identifies at least one library holding 'Berliner Tageblatt' (e.g., 'Staatsbibliothek zu Berlin - Preußischer Kulturbesitz' or 'Deutsche Nationalbibliothek'). The agent confirms that publication frequency information is available for periodicals, either through filters (like 'Frequenz' if present) or within the detailed record (e.g., 'Erscheinungsweise').