Kemmerer's papers document his advisory and scholarly career and include his professional correspondence, writings, and files from his financial advisory work. The majority of his papers relate to his service as a financial advisor to several governments, many in Latin America, predominantly concerning monetary systems, banks and banking, and government fiscal policies. These papers include his Country Files, which include papers on twenty-six countries, with China, Colombia, and Peru having the most materials. For most countries, there are correspondence, reports, clippings and papers of the advisory commissions, which can be found in Series 6 and 7. Other papers pertaining to his advisory work are also located in his correspondence files, writings, diaries, photographs and scrapbooks.

Please see the series descriptions in the contents list for additional information about individual series.