The En Passant Archive, spanning the dates 1970 – 1983, is the archive of the little poetry magazine En Passant, edited by James Costello in Wilmington, Delaware. The 1.3 linear feet of material in the collection consists of letters from contributors, administrative correspondence, little magazines, including twelve issues of En Passant, and the manuscripts of most of the thirteen issues of the magazine published between 1975 and 1983.