Hi Sara, I analysed some aspects of the quality of the LoC bibliographial data. The early results have been published in a paper [1]. The tool, QA catalogue, I've created for the analysis is available as an open source software [2]. [1] Péter Király. “Validating 126 million MARC records”. In DATeCH2019 Proceedings of the 3rd International Conference on Digital Access to Textual Cultural Heritage Brussels, Belgium — May 08-10, 2019. Published by ACM, 2019. ISBN: 978-1-4503-7194-0. pp. 161-168. DOI 10.1145/3322905.3322929 [2] https://github.com/pkiraly/metadata-qa-marc Best, Péter Sara Amato <[log in to unmask]> ezt írta (időpont: 2021. szept. 7., K, 17:11): > > Has anyone done anything with the data from LC? > https://librarytechnology.org/pr/26640 > If so, what tools have you used and what have you done with it? -- Péter Király software developer GWDG, Göttingen - Europeana - eXtensible Catalog - The Code4Lib Journal http://linkedin.com/in/peterkiraly