References to the archive in published credits must include the following information: Leiden University Library, Leiden Observatory Archives, directorate Willem de Sitter. Individual items must be referred to as follows: Leiden UB, AFA FC WdS [ + item number].
Cite Item Description
References to the archive in published credits must include the following information: Leiden University Library, Leiden Observatory Archives, directorate Willem de Sitter. Individual items must be referred to as follows: Leiden UB, AFA FC WdS [ + item number]. https://collectionguides.universiteitleiden.nl/repositories/2/resources/755 Accessed September 23, 2023.
