The Lenâpé and Their Legends With the complete text and symbols of the Walam olum, a new translation, and an inquiry into its authenticity

The Lenape Stone; or, The Indian and the Mammoth

History, Manners, and Customs of the Indian Nations Who Once Inhabited Pennsylvania and the Neighbouring States.

Pictographs of the North American Indians. A preliminary paper Fourth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1882-83, Government Printing Office, Washington, 1886, pages 3-256

Picture-Writing of the American Indians Tenth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1888-89, Government Printing Office, Washington, 1893, pages 3-822

The Lenni Lenape, or Delaware Indians