Brought to you by the Purdue University Online Writing Lab (OWL).
ProofExchange has archived resources from Purdue's OWL. These include handouts on grammar, spelling, proofreading, editing, and punctuation to help the public improve their writing skills.
All credit for content is given to Purdue's OWL.
ProofExchange follows the Oakland Archive Policy, which is intended for use by both academic and non-academic digital repositories and archivists.