"Numerous geographers writing in recent years concerning the nature and scope of their subject have described the relation of their field to other fields of science in terms of a concept said to stem from Immanuel Kant and from Alexander von Humboldt. Whatever may be the original source of the concept, its importance in the current geographic thought stems from the writing of, the German master of the methodology of geography."

“The unique purpose of geography is to seek comprehension of the variable character of areas in terms of all the interrelated features which together form that variable character.”

“Geography is concerned to provide accurate, orderly, and rational description and interpretation of the variable character of the earth surface.”

“Geographers and agricultural economists have become increasingly interested in recent years in studying the associations of crops and livestock in different types of agriculture, in contrast to the separate consideration of individual crops or products.”

“Problems connected with political boundaries have frequently elicited the interest of geographers. In all countries with chronic or acute boundary problems the geographers are drawn into the general discussion, more or less as experts, and in some cases the professional geographer has actually been called upon to assist in the determination and demarcation of boundaries.”

“Science is... in the broadest sense of organized, objective knowledge.”

“The border position of geography between the natural and the social sciences is fairly generally recognized. Concerned primarily with differences in the different areas of the world, geography studies both natural and cultural features. In some universities, it is included among the natural sciences, in other among the social scientists. In England and America, geographers have particularly cultivated that portion of their field which leads naturally into economics, i.e..”