Secondary sourceBook1904
The History of the Standard Oil Company
Ida Tarbell · 1904
Ida Tarbell's muckraking exposé of Standard Oil's business tactics, which turned public opinion against Rockefeller and his trust.
This exposé documents Rockefeller's business practices and helped turn public opinion against his Standard Oil monopoly.

About this source
What it is
This is a two-volume book by journalist Ida Tarbell, published in 1904 after being serialized in McClure's magazine. It investigates how John D. Rockefeller built the Standard Oil monopoly.
Why it matters
Tarbell's father worked in the oil business and lived through the pressure tactics of Standard Oil, which inspired her investigation. Using interviews with insiders and documentary evidence, she exposed railroad rebates and other tactics Rockefeller used against competitors. The book is considered a landmark of investigative journalism and helped build public and legal pressure that led to the government breakup of Standard Oil in 1911.
Look closer
- Why might a journalist's personal background affect how she investigates a company?
- How did detailed, careful reporting change public opinion about a powerful businessman?
- What does the title page's reference to Rockefeller's birth date tell you about how the book frames its subject?
This book is part of the curated material that grounds the AI version of John D. Rockefeller on Humy.ai — when students ask about related events, the AI can quote it and cite it.
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