- Cărți electroniceYoung Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and SkyEdward Singleton Holden
- Cărți electroniceSir William HerschelEdward Singleton Holden
- Cărți electroniceStudies in Central American Picture-Writing First Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1879-80, Government Printing Office, Washington, 1881, pages 205-245Edward Singleton Holden