תג סימן המיקום מחבר נושא סוגה אזור תקופה

A - General Works 2,893 B - Philosophy, Psychology, Religion 475 C - Historical Sciences 388 D - World History 151 E - United States History 88 F - General American History 690 G - Geography, Anthropology, Recreation 329 H - Social Science 188 J - Political Science 82 K - Law 140 L - Education 177 M - Music 2,584 N - Fine Arts 219 P - Language and Literature 263 Q - Science 30 R - Medicine 325 S - Agriculture 364 T - Technology 113 U - Military Science 56 V - Naval Science 98 Z - Library Science 30