Autograph theological and antiquarian collections by James Ussher and secretaries arranged under 95 headings, e.g. 'de editione scripturarum authentica' (fol. 16), 'de translatione scripturarum in alias linguas, an fieri debet' (fol. 26), headings on the authority of church, pope, and councils (fol. 40), on the hierarchy (fol. 88), and on church and state (fol. 96). Numerous letters and incidental pieces occur among which are: …