Iuvenum Patris
On St John Bosco, centenary of his death
Cite this page
This catalogue
Iuvenum Patris (1988). On St John Bosco, centenary of his death. docs.church. https://docs.church/iuvenum-patris
Official citation
John Paul II, Iuvenum Patris (31 January 1988). https://www.vatican.va/content/john-paul-ii/es/apost_letters/1988/documents/hf_jp-ii_apl_19880131_iuvenum-patris.html