The publication history of the true first edition of Allen Ginsberg's epochal poem "Howl," which he had duplicated himself in a tiny edition of just 25 copies, has for decades been clouded in rumor and misinformation. Much of this confusion stems in no small part from how Ginsberg printed the poem: by spirit duplicator (also known as "Ditto"). This talk will examine how an understanding of this printing process is vital to a proper understanding of the bibliography, history, and even interpretation of the poem itself.