5 books
Second Report of Philip T. Tyson, State Agricultural Chemist
Geology and Industrial Resources of California (Classic Reprint)
First Report of Philip T. Tyson, State Agricultural Chemist, to the House of Delegates of Maryland, January, 1860 (Classic Reprint)
First Report to the House of Delegates of Maryland; (I) January 1860
Geology and Industrial Resources of California ...