CIC/1917, can. 1386
§ 2. In diariis vero, foliis vel libellis periodicis qui religionem catholicam aut bonos mores impetere solent, nec laici catholici quidpiam conscribant, nisi iusta ac rationabili causa suadente, ab Ordinario loci probata."
Sources
1917 Codex Iuris Canonicis, can. 1386, in: www.jgray.org (Last access: 08.03.2016).
Codex Iuris Senior, can. 1386, in: www.catho.org (Last access: 08.03.2016).
GASPARRI, Pietro (Hg.), Codex Iuris Canonici Pii X Pontificis Maximi iussu digestus, Benedicti Papae XV auctoritate promulgatus, Rom 1917, can. 1386, S. 404, in: archive.org (Last access: 08.03.2016).