Scope and Contents From the Series: Heralds are printed materials, usually on one sheet or a folded mailer, that announce a coming attraction to the public. Unlike a program, a herald's main function is not to provide detailed information (such as a cast listing) but to publicize. Heralds most often list show dates and directions for purchasing tickets. The heralds in this series date from 1875-2006. The Heralds series, like the Programs series, is divided geographically into United States and International....