The Ultimate Guide To Ceramic Pocket Knife: Getting the Job Done Safely New York, NY: St. Martin's Press. p. 152. ISBN 978-1-250-04021-3. Shackleford, Steve (5 January 2010). Iola, Wisconsin: Krause Publications. pp. 219222. ISBN 978-1-4402-1505-6. External links [edit] AGRussell Gentleman's Pen Knife - AGRussell.com Pen knives were initially named