What is "confessio"

Usage examples of "confessio".

But it contained a manifesto of about a dozen pages—the Fama Fratemitatis—which was republished separately a year later, at the same time as another manifesto, this one in Latin: Confessio fraternitatis Roseae Crucis, ad eruditos Europae.

In fact, the moment the ghost appeared (though Fama and Confessio prove that this was a mere invention of idle minds), it produced a hope of universal reform, and generated things partly ridiculous and absurd, partly incredible.