TY  - SER
AU  -  Forster, H. C.
TI  -  From Xylographs to Lead Molds; A.D. 1440-A.D. 1921 
AV  - Z 
PY  - 2010///
PB  -  Project Gutenberg, 
KW  -  Printing -- History
KW  -  Electrotyping
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/33497
ER  -