original: Cave himself often contributed pieces to the Magazine under the pen name of Sylvanus Urban.
simplifications: Cave went by Sylvanus Urban when he often gave pieces to the magazine. Cave often wrote for the Magazine under the name of Sylvanus Urban. Cave sometimes used the name Sylvanus Urban is his writings for the Magazine. Cave himself often created pieces for the Magazine. He did this under the pen name of Sylvanus Urban. Cave often gave pieces to the Magazine. He used the pen name Sylvanus Urban. Cave contributed pieces to the Magazine under the name, Sylvanus Urban. Cave often wrote pieces for the Magazine using the pen name Sylvanus Urban. Cave often contributed to the Magazine. He contributed under the name, Sylvanus Urban. Cave gave pieces to the Magazine using the name Sylvanus Urban Cave used to call himself Sylvanus Urban when contributing articles to magazines.