Project Gutenberg was the first provider of free electronic books, or eBooks. Michael Hart, founder of Project Gutenberg, invented eBooks in 1971 and his memory continues to inspire the creation of eBooks and related technologies today.Les lois sociologiques by Guillaume de GreefAuthor: Greef, Guillaume de, 1842-1924,Language: French, Class: K: Law in general, Comparative and uniform law, Jurisprudence, Release Date: Feb 7, 2006