In addition to his  work on Charles Dodgson, he  produced studies of Henry Rider Haggard, Rudyard Kipling and other Victorian subjects, as well as children's literature, travel articles and fiction. He was elected a fellow of the Royal Society of Literature in 1996. The Modern Language Association set up the biennial Morton N. Cohen Award for a Distinguished Edition of Letters in 1989.
In addition to his research on Charles Dodgson, he produced studies on Henry Rider Haggard, Rudyard Kipling, and other Victorian figures, as well as children's literature, travel articles, and fiction. He was elected a fellow of the Royal Society of Literature in 1996. The Modern Language Association introduced the biennial Morton N. Cohen Award for an outstanding edition of letters in 1989.