He periodically contributed articles to the online magazine and for the main Forbes.com website.
He periodically contributes a column to the Project Syndicate, associated with George Soros' Open Society project, which appears in several languages in newspapers across the world.
He contributed periodically to al-Muqattam, where his economic and financial studies were well received.
She wrote prose and poetry, and periodically contributed freelance articles to local newspapers.
Urbane Künste Ruhr contributes periodically to the international music and arts festival Ruhrtriennale.
Ruthenberg also periodically contributed material to the official organ of the Socialist Party of Ohio, The Ohio Socialist.
Other members also contribute periodically.
Lukather periodically contributes material and expertise to instructional and educational enterprises.
After his retirement, he periodically contributed articles to The Times through 1997 as a freelance writer.
In private life he was an avid author of works on the law, history and genealogy periodically contributing to the Virginia Historical Society and the William & Mary Quarterly.
