Chemistry 1.592 Organic chemistry 535 Agricultural chemistry 475 Chemistry, Organic 317 Soil science 282 Physical chemistry 262 Journal of Biological Chemistry 260 Dissertations, Academic (Ph.D) 256 Thesis (Ph.D)-Chemistry 233 Chemistry, Physical and theoretical 215 Chemistry, Analytic 203 Inorganic chemistry 181 Environmental chemistry 173 Organic Chemistry 172 Chemistry, Inorganic 170 Soil Science 168 Quantum chemistry 155 Analytical chemistry 137 Soil chemistry 135 Bio chemistry 118 Chemistry inorganic 117 PHYSICAL CHEMISTRY 105 Organic 97 Biochemistry 89 ORGANIC CHEMISTRY 87 Solid state chemistry 87 Theoretical chemistry 75 Polymers 73 Surface chemistry 73 Clinical chemistry 67