What has the author JC Ibert written?

J. de Guibert has written:

'Documenta ecclesiastica christianae perfectionis' -- subject(s): Catholic Church, Christian Heresies, Heresies, Christian, Monastic and religious life, Perfection, Religious aspects, Religious aspects of Perfection

'Breves adnotationes in cursum methodologiae generalis' -- subject(s): Methodology