Henry Richard Vizetelly is charged with obscenity under the Obscene Libel Act due to his publication of Zola’s works, and pleads guilty. The specific publication responsible for the charge was Zola's La Terre, also known as The Soil in its English publication. He was fined £100 and was later charged again for further publication of Zola. For this he was sentenced to three months in prison.

Source: Pernicious Literature. Debates in the House of Commons. Trial and Conviction for the Sale of Zola's Novels. With Opinions of the Press.

https://www.jstor.org/stable/pdf/40267514.pdf?refreqid=excelsior%3A68cda...