This reference book is divided into these sections: Agriculture, Art and music, Business and finance, Clothing, Communications, Education, Energy, Entertainment, Food and drink, Health, Labor, Law, Manufacturing, Public service, Religion, Science, Shelter and domestic furnishing, Social welfare, Sports, and Transportation. Within each section the reader will find subsections detailing innovations and advances in that field - for example, Business and finance is made up of Accounting, Banking, Business machines, Exchanges, Hotels, Insurance, Lotteries, Merchandising, Money, Taxes, and Time keeping. This work describes the beginnings of many aspects of daily life in America, covering most innovations through approximately the 1930s. Dedicated to detailing the introduction of various advances or innovations, the book does not attempt to carry them through today.