QA - Mathematics 356,896
QC - Physics 189,792
Q - General Science 134,259
QH - Natural History and Biology 123,946
QE - Geology 121,379
QL - Zoology 120,640
QD - Chemistry 85,082
QK - Botany 84,548
QP - Physiology 78,251
QB - Astronomy 61,343
QR - Microbiology 24,439
QM - Human Anatomy 14,344
B - Philosophy 2
E - United States History 2
F - General American History 1