00521cam a2200181 4500 453348390 TxAuBib 20201202120000.0 201130s2020||||||||||||||||||||||||ger|u 63924 Project Gutenberg PGUSA ger TxAuBib Knackfuss, H, 1848-1915, (Hermann.) Verrocchio [Gutenberg] / H. Knackfuss. Project Gutenberg, 2020. Public domain in the USA. Text. http://www.gutenberg.org/ebooks/63924 TXCAN