TY  - BOOK
AU  - Roberts,W.,1862-1940
TI  - Printers' Marks A Chapter in the History of Typography
AV  - Z 
PY  - 2008///
PB  - Project Gutenberg
KW  - Printers' marks
N1  - Project Gutenberg; Freely available; Electronic text
UR  - http://www.gutenberg.org/etext/25663
UR  - http://www.gutenberg.org/license
ER  -