00560cam a2200181 4500 377036936 TxAuBib 20170330120000.0 150628s2015||||||||||||||||||||||||eng|u 49304 Project Gutenberg PGUSA eng TxAuBib Hall, H. R., (Harry Reginald.) Days Before history [Gutenberg] / H. R. Hall. Project Gutenberg, 2015. Public domain in the USA. Text. Prehistoric peoples -- Juvenile literature. http://www.gutenberg.org/ebooks/49304