General/ Comprehensive/ Cultural
The study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources and political and economic activities. (Oxford Dictionaries)
The field of geography is very broad and can cross over into many other disciplines but to find more books on the core field of geography try looking in the following LC call number sections:
Subclass G Geography (General). Atlases. Maps
Subclass GA Mathematical geography. Cartography
Subclass GB Physical geography
Subclass GC Oceanography
Subclass GE Environmental Sciences
Subclass GF Human ecology. Anthropogeography
Subclass GN Anthropology
Subclass GR Folklore
Subclass GT Manners and customs (General)
Subclass GV Recreation. Leisure