Consists mainly of Van Hartesveldt's writings, including scripts for many radio shows, story ideas, outlines and a few scripts for television. Also includes a small amount of related correspondence, some contracts and photographs of Van Hartesveldt with celebrities. Van Hartesveldt wrote for the following radio programs: Your Nutrilite Radio Theatre, Suspense, Sky King, CBS Radio Workshop, The Great Gildersleeve, Romance and Roy Rogers.