Prehistoric peoples
Free to read here, from Project Gutenberg.
The Lost World
The Land That Time Forgot
This star shall be free
Ikuinen rakastaja
The origin and development of the moral ideas
Primitive culture, vol. 1 (of 2)
Ancient society
The origin of the family, private property, and the state
Ancient law
Sexual Life of Primitive People
The Tree-Dwellers
Primitive culture, vol. 2 (of 2)
Before Adam
The Prehistoric World; Or, Vanished Races
Men of the Old Stone Age: Their Environment, Life and Art
Primitive Man
Manners and Monuments of Prehistoric Peoples
L'Humanité préhistorique
Ancient Man in Britain
Man and the Glacial Period
Prehistoric man
Human Origins
Prehistoric man
Cave Hunting
Ancient Scottish Lake-Dwellings or Crannogs
Rough Stone Monuments and Their Builders
Psyche's task
Longhead: The Story of the First Fire
The Meeting-Place of Geology and History
In the Morning of Time
The Story of Ab: A Tale of the Time of the Cave Man
Primitive Manners and Customs
The eternal savage
Prehistoric Men
The First Days of Man, as Narrated Quite Simply for Young Readers
The puzzle of life and how it has been put together
B. C. 30,000
The Beginning
The Return of Tharn
Der Unterkiefer des Homo Heidelbergensis: Aus den Sanden von Mauer bei Heidelberg
The most notable Antiquity of Great Britain, vulgarly called Stone-Heng, on Salisbury Plain
The dreadful dragon of Hay Hill
Days Before history
Vamiré: Romance dos tempos primitivos
Les primitifs: Études d'ethnologie comparée
Kadonnut maailma
Warrior of the Dawn