TY  - BOOK
AU  - Dircks,Henry
TI  - Patent monopoly as affecting the encouragement, improvement, & progress of sciences, arts, and manufactures: a letter with accompanying statements and statistics, addressed to the Right Hon. Lord Stanley 
PY  - 1869///
CY  - London
PB  - E. & F. N. Spon
KW  - Patent laws and legislation
KW  - Great Britain
ER  -