Bertholf has written innumerable articles and books about American poets and poetry, including Wallace Stevens, Robert Duncan, Charles Olson, and other Black Mountain poets like Oppenheimer, Creeley and Dorn.
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During this period, Mottram was twice a guest lecturer at Kent State University, where, along with Black Mountain poet Ed Dorn, he was an early supporter of the musical group Devo, and its founders Gerald Casale and Bob Lewis, whose poetry Mottram published when he was editor of the Poetry Review.