References: Online Books Online Books | Online Journal Articles | Current Online Preprints | Other Online Resources | Print Resources Sort : author | title A | B | C | D | E | F | G | H | K | L | M | N | O | PQ | R | TU De Ingeneis, V. II, The Notebook by Taccola, Mariano (Author). (1984) De re militari libris XII by Valturio, Roberto (Author). (1535) Die Bewegungs-Mechanismen by Redtenbacher, Ferdinand Jacob (Author). (1866) A | B | C | D | E | F | G | H | K | L | M | N | O | PQ | R | TU