1040. Defamation presumption of publication
At the trial of a person charged with the unlawful publication of a defamatory matter, which is contained in a periodical, after sufficient evidence has, in the opinion of the Court, been given of the publication by the accused of the number or part of the periodical containing the matter complained of, other writings or prints, purporting to be other numbers or parts of the same periodical, previously or subsequently published, and which contain a printed statement that they were published by or for the accused, are admissible in evidence for either side, without further proof of their publication.