Passage: In May 1846 Charlotte, Emily, and Anne self-financed the publication of a joint collection of poems under their assumed names Currer, Ellis and Acton Bell. The pseudonyms veiled the sisters' sex while preserving their initials; thus Charlotte was Currer Bell. "Bell" was the middle name of Haworth's curate, Arthur Bell Nicholls whom Charlotte later married, and "Currer" was the surname of Frances Mary Richardson Currer who had funded their school (and maybe their father). Of the decision to use noms de plume, Charlotte wrote:

Question: When did they publish a joint collection of their poems?
May 1846