1. Columbia University Rare Book & Manuscript Library, MS X893 R82 DS ID: DS19069 Title: Ruaḥ ḥen Author: Judah ben Saul ibn Tibbon Place: undetermined Date: 16--
2. Columbia University Rare Book & Manuscript Library, MS X893 So2 DS ID: DS19487 Title: Ruaḥ ḥen Author: Judah ben Saul ibn Tibbon Place: Ukraine Date: 1686