Core sources and core publications in OpenAlex

This dataset contains data on core sources and core publications identified in the OpenAlex database (based on the OpenAlex snapshot of August 31, 2026).

The source code used to identify core sources and core publications in OpenAlex is available in this GitHub repository.

See this report for more information about the identification of core sources and core publications in OpenAlex.

This dataset consists of the following tab-delimited files.

source.tsv

• source_id
• source
• source_type
• issn_l
• is_cwts_core_source
• n_works
• n_cwts_core_pubs

 work.tsv

• work_id
• work_type
• pub_year
• source_id
• doi
• is_cwts_core_pub