Long Island | Long Beach, California | Long Beach | Huey Long | Long Island Sound | Long John Baldry | California State University, Long Beach | Long Parliament | Long Day's Journey into Night | Justin Long | Long Island City | Janice Long | Richard Long | Long Island Rail Road | The Many Loves of Dobie Gillis | Shelley Long | Long Island University | The Long Walk to Finchley | Sean Long | Russell B. Long | Long Way Round | Long Ashton | Battle of Long Island | The Long Voyage Home | So Long, and Thanks for All the Fish | Nia Long | Long Island Motor Parkway | Long Branch, New Jersey | Long Branch | Dorman Long |
Prior to the founding of PPI, Marshall was variously a speechwriter for Lieutenant Governor Dick Davis of Virginia, Governor Jim Hunt of North Carolina and Representative Gillis Long of Louisiana.