Kohn, Roger S. “The Rabbi Abraham Isaac Kook and Rabbi Zvi Yehuda Kook Manuscripts Collection in Jerusalem: Survey of a Private Archival Collection”. Judaica Librarianship 5, no. 1 (December 31, 1990): 33–35. Accessed May 7, 2024. https://ajlpublishing.org/index.php/jl/article/view/1181.