"CounterproofArchived 2007-08-07 at the Wayback Machine". Women's Work: Printing Techniques. Linda Hall Library of Science, Engineering & Technology. 2005. Retrieved 2007-05-10.
"CounterproofArchived 2007-08-07 at the Wayback Machine". Women's Work: Printing Techniques. Linda Hall Library of Science, Engineering & Technology. 2005. Retrieved 2007-05-10.