Using principles set out in an earlier paper , we constructed a multi-layer perceptron neural network to discriminate between the works of Shakespeare and his contemporary Christopher Marlowe. Once trained using works from the core canon of the two dramatists, the network successfully classified works to which it had not previously been exposed. In the light of these results, we used the network to classify a number of anonymous works suspected of being by Marlowe. Strong support emerged for Tucker Brooke's view that The True Tragedy is the Marlovian original of Shakespeare's Henry VI Part 3, the latter being the product of subsequent revisions by Shakespeare.