Browse the results list of your keyword search and look at the full records to see the subject headings assigned for relevant titles. Note that the results are sorted by relevance. You can change the results to sort by date, author, or title. Click on the subject headings to find more books on your topic.
For example, for the authors, titles, and subjects you are focusing on for this class:
Agriculture and Trade
Agriculture--India--History.
Agriculture--Economic aspects--India.
Agricultural colonies--India--Punjab--History.
Agriculture--Economic aspects--India--Punjab--History.
Irrigation farming--India--Punjab--History.
Agriculture and the Environment
Imperialism--Environmental aspects.
Railroads--Environmental aspects--India--History--19th century.
Deforestation--India--History--19th century.
Economic development--Environmental aspects--India--History--19th century.
Forest conservation--India--History--19th century.
India--Environmental conditions--History--19th century.
India--Economic conditions--19th century.
India--Colonial influence--History--19th century.
Great Britain--Colonies--Environmental conditions.
Tea plantations
Wages--Tea plantation workers--India--Assam.
Tea plantation workers--India--Assam.
Tea trade--India--History--20th century.
Tea trade--India--History.
Tea trade--India--Assam--History.
Gardens
Gardens, British--India.
Gardens--India--History.
Railways/Transportation
Railroads--India--History.
Transportation--India--History.
Industrialization
Industries--India--History.
Industries--Great Britain--Colonies--History.
Child Labour in India
Child labor--India.
Poverty
Poor--India.
India--Economic conditions.
Famine
Famines--India--History.
Opium Trade
Opium trade--India--History--19th century.
Opium trade--India.
East India Company
East India Company.
East India Company--History--18th century.
Gandhi & Nehru
Gandhi, Mahatma, 1869-1948.
Agriculture--Economic aspects--India.
Nehru, Jawaharlal, 1889-1964.
Steel industry and trade--Government ownership--India--History--20th century.
Dadabhai Naoroji
Naoroji, Dadabhai, 1825-1917.
Indian Rebellion
India--History--Sepoy Rebellion, 1857-1858.
India--History--Sepoy Rebellion, 1857-1858--Causes.
After you find a relevant book on your topic, you can also browse the catalogue by the Library of Congress call numbers to find more titles.