Organic chemistry 25 ORGANIC CHEMISTRY-- THE FUNDAMENTAL PRINCIPLES 15 Chemistry 12 ORGANIC CHEMISTRY-- STEREOCHEMISTRY AND THE CHEMISTRY OF NATURAL PRODUCTS 12 History 11 Credit 10 Financial Economics 10 Library Science 10 Chemistry, Organic 8 Quantum chemistry 8 11 7 ORGANIC CHEMISTRY 7 Photochemistry 7 Dye 6 Economics 6 Library science 6 Philosophy 6 Aquatic ecology 5 English drama 5 Islam 5 Organic 5 Stereochemistry 5 Carbohydrates 4 Diagnostic microbiology 4 Differential equations 4 Dissertations, Academic (Ph.D) 4 Drama 4 Medical microbiology 4 Microbiological Techniques 4 Microbiology 4