The book "Early American Plays, 1714-1830. A Collection of Play Titles and Dramatic Poems Written by Authors Born or Living in North America Before 1830" by Oscar Wegelin is a valuable source for learning about the development of American drama during the 18th and early 19th centuries. . The book contains titles of works written by authors who were born on the territory of North America or lived there before 1830. This compilation helps to better understand the context and atmosphere of that period in American literary history. The author offers the reader to delve into the world of early American drama, discovering a previously unknown literary heritage.