Rogers, Everett M.
A history of communication study: a bibliographical approach
The Free Press, 1994
 Buku Teks
Lewes, George Henry
A biographical history of philosophy
Cambridge University Network, 2012
 eBooks
Lewes, George Henry
A Biographical History of Philosophy
Cambridge University Press, 2013
 eBooks
Biographical dictionary of the history of technology
edited by Lance Day and Ian McNeil
Roudledge, 1996
 Buku Referensi
Biographical dictionary of the history of technology
edited by Lance Day, Ian McNeil
Routledge, 1996
 Buku Referensi