USDA ERS - Butter and Margarine Availability Over the Last Century

USDA ERS - Charts of Note

Nutrients, Free Full-Text

Home Work: Seven food groups? - by Danielle Dreilinger

USDA ERS - Food Availability and Consumption

Dietary Fat and Cardiovascular Disease: Ebb and Flow Over the Last Half Century - ScienceDirect

Added sugar intake in the United States is going down, shown using all four available relevant datasets: USDA, UN-FAO, NHANES, and corporate sales data. - The Diet Wars

USDA ERS - Charts of Note

Nonfat dry milk stocks rise, butter holds - McKeany-Flavell

USDA ERS - Charts of Note

Western pattern diet - Wikipedia

Frontiers United States Dietary Trends Since 1800: Lack of Association Between Saturated Fatty Acid Consumption and Non-communicable Diseases

Margarine for Butter: Budget Cooking in America

Annual fats availability per capita from 1909 to 2010 (Source: USDA ERS).