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Incoming Resources
- Battle of the Bulge, the deadliest battle of World War II, a Lennon Documentary Group film for American experience ; produced by Thomas Lennon ; senior producer, Mark Samels ; written by Thomas Lennon & Mark Zwonitzer
- The Supreme Court, a HiddenHill production for Thirteen/WNET New York ; producer, Julia Elliott ; writer, Mark Zwonitzer ; director, Thomas Lennon, Vol. 2
- Jesse James, written, produced and directed by Mark Zwonitzer ; a HiddenHill Productions film for American Experience ; WGBH Boston
- Walt Whitman, PBS ; written and directed by Mark Zwonitzer ; produced and co-directed by Jamila Wignot ; producer, Patrick Long ; a Patrick Long Productions film in association with HiddenHill Productions for American experience
- Triangle fire, American Experience Films presents ; written by Mark Zwonitzer ; produced and directed by Jamila Wignot ; an Apograph Productions Inc. film for American experience
- The Irish in America, the History Channel ; an A and E Network presentation ; a Greystone production ; executive producers, Craig Haffner, Donna E. Lusitana ; producer, Rhys Thomas ; [directed by Thomas Lennon, Mark Zwonitzer]
- The statesman and the storyteller, John Hay, Mark Twain, and the rise of American imperialism, Mark Zwonitzer
- The statesman and the storyteller, John Hay, Mark Twain, and the rise of American imperialism, Mark Zwonitzer
- Will you miss me when I'm gone?, the Carter Family and their legacy in American music, Mark Zwonitzer ; with Charles Hirshberg