* [https://books.google.com/books?id=ZRAdbsbBK0gC&pg=PA570 The pictorial field-book of the Revolution; or, Illustrations, by pen and pencil, of the history, biography, scenery, relics, and traditions of the War for independence], by [[Benson John Lossing]] - Contains an early illustration of the flag | * [https://books.google.com/books?id=ZRAdbsbBK0gC&pg=PA570 The pictorial field-book of the Revolution; or, Illustrations, by pen and pencil, of the history, biography, scenery, relics, and traditions of the War for independence], by [[Benson John Lossing]] - Contains an early illustration of the flag |