TY  - BOOK
AU  - Williams,Edward Huntington,1868-1944
AU  - Williams,Henry Smith,1863-1943
TI  - A History of Science — Volume 4
AV  - Q 
PY  - 1999///
PB  - Project Gutenberg
KW  - Science -- History
N1  - Project Gutenberg; Freely available; Electronic text
UR  - http://www.gutenberg.org/etext/1708
UR  - http://www.gutenberg.org/license
ER  -