Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
John Venn
David Hilbert
Lewis Carroll
Alfred North Whitehead
Michael Husted
Mary Somerville
John Dee
Edmund Callis Berkeley
Albrecht Dürer
Luigi Federico Menabrea
Richard Dedekind
Stuart Dodgson Collingwood
Bertrand Russell
Carveth Read
Augustus De Morgan
Bessie Irving Miller
W. W. Rouse Ball
John Maynard Keynes
David Eugene Smith
Gottlob Frege
John Scott
Sir Thomas Little Heath
Charles Frederick Kroeh
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.