KATZ, ALEX. Primus Inter Pares. Poetry by Kenneth Koch. Illustrated with 18 artworks by Katz. Folio, publisher's buff wrappers, 14 1/2 x 10 1/4 inches; 365 x 260 mm, printed paper spine label; facsimile letter from Koch (who died before publication) to Katz tipped in at rear proposing this project; original stiff board slipcase. Number 20 of 50 copies, signed by the artist, on wove paper, printed by Mark Chronister Design. New York: Peter Blum Edition, 2003