Leonardo da Vinci
Allan Konya
Robert W. Gibson
Richard G. King
Science Reference Library (British Library)
Fournel commissaire-priseur
Ethan Brown
Emma D. Lee
Milad Shokouhi
Dennis F. Shaw
Carol Smallwood
S. M. Grey
Sheryl Kindle Fullner
Nicole Hennig
Unknown Author
Hugh Lockwood Franklin
Mustafa al Naddaf
Institution of Mechanical Engineers. Library.
Library of Congress. Subject Cataloging Division.