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Identifying Primary and Secondary Sources

Examples: Primary sources


undefined Dorothea Lange's "Migrant Mother" Photographs in the Farm Security Administration Collection: An Overview The photograph that has become known as "Migrant Mother" is one of a series of photographs that Dorothea Lange made of Florence Owens Thompson and her children in February or March of 1936 in Nipomo, California.




The 1998 Pulitzer Prize Winner in Biography
Personal History
By Katharine Graham
In extraordinarily frank, honest, and generous book by one of America's most famous and admired women--a book that is, as its title suggests, both personal and history.
It is the story of Graham's parents: the multi-millionaire father who left private business and government service to buy and restore the down-and-out Washington Post; the aggressive, formidable, self-absorbed mother, known in her time for her political and welfare work, and her passionate friendships with men such as Thomas Mann and Adlai Stevenson




undefined U.S. Congress. House. Committee on Homeland Security. Attacks on the Homeland. Hearing, May 9, Jul. 10, 2013. p. 86-
Testimony of Rudolph W. Giuliani, former mayor of New York City


undefined Martha, the Last Passenger Pigeon
Martha, the Passenger Pigeon, passed away on September 1, 1914, in the Cincinnati Zoo. She was believed to be the last living individual of her species after two male companions had died in the same zoo in 1910. Martha was a celebrity at the zoo, attracting long lines of visitors. When she was found dead on the floor of her cage that afternoon, she was immediately frozen into a 300-pound block of ice and shipped by fast train to the Smithsonian Institution in Washington, DC, where her body was carefully preserved as a taxidermy mount and an anatomical specimen..
JOHN F. FINKLEA, ALBERT V. HENNESSY AND FRED M. DAVENPORT* (Received for publication July 20, 1966)
From the Department of Epidemiology, University of Michigan, School of Public Health
This study was supported by Training Grant 5 Tl GM-6 from the National Institutes of Health, U. 8. Public Health Service.
The authors gratefully acknowledge the contributions of Dr. Pasquale Buoniconto, superintendent, and his staff at the Wayne County Training School, Northville, Michigan. The DuPont Company kindly furnished amnntadine and placebo capsules and performed gas chromatography assays.