“In 2006, City Lights and poetry lovers … will be celebrating the 50th Anniversary of the first publication of ‘Howl and Other Poems’ by Allen Ginsberg. Beginning in October 2005 and lasting through the fall of 2006, there will be a series of celebrations and commemorative readings.” The site includes a history of this poem (first read on October 6, 1955, at the Six Gallery in San Francisco), and a listing of celebrations. From City Lights Books.(citation from LII.org)
You can find many of Allen Ginsberg’s poems (including Howl) in the Moraine Valley Library collection.