Fowler, Charles B. (октобар 1967). „The Museum of Music: A History of Mechanical Instruments”. Music Educators Journal. MENC_ The National Association for Music Education. 54 (2): 45—49. JSTOR3391092. doi:10.2307/3391092.
„The da Vinci robot”. J. Endourol. 20 (12): 986—90. децембар 2006. PMID17206888. doi:10.1089/end.2006.20.986. „... the date of the design and possible construction of this robot was 1495.. Beginning in the 1950s, investigators at the University of California began to ponder the significance of some of da Vinci's markings on what appeared to be technical drawings ... It is now known that da Vinci's robot would have had the outer appearance of a Germanic knight.”
Fowler, Charles B. (октобар 1967). „The Museum of Music: A History of Mechanical Instruments”. Music Educators Journal. MENC_ The National Association for Music Education. 54 (2): 45—49. JSTOR3391092. doi:10.2307/3391092.
„The da Vinci robot”. J. Endourol. 20 (12): 986—90. децембар 2006. PMID17206888. doi:10.1089/end.2006.20.986. „... the date of the design and possible construction of this robot was 1495.. Beginning in the 1950s, investigators at the University of California began to ponder the significance of some of da Vinci's markings on what appeared to be technical drawings ... It is now known that da Vinci's robot would have had the outer appearance of a Germanic knight.”
nist.gov
physics.nist.gov
„Earliest Clocks”. A Walk Through Time. NIST Physics Laboratory. Архивирано из оригинала 31. 5. 2008. г. Приступљено 11. 8. 2008.
Pearce, Jeremy. "George C. Devol, Inventor of Robot Arm, Dies at 99", The New York Times, August 15, 2011. Приступљено February 7, 2012. "In 1961, General Motors put the first Unimate arm on an assembly line at the company's plant in Ewing Township, N.J., a suburb of Trenton. The device was used to lift and stack die-cast metal parts taken hot from their molds."
oxforddictionaries.com
„robotics”. Oxford Dictionaries. Архивирано из оригинала 18. 05. 2011. г. Приступљено 4. 2. 2011.
