Bartleby
Bartleby.com: Personal Memoirs of u.s. Grant
These personal memoirs of Ulysses S. Grant are considered "among the greatest of military memoirs."
The White House
The White House: Presidents: Ulysses S. Grant
A brief biography focusing primarily on Grant's military and presidential years. A black and white photo is included.
Smithsonian Institution
National Museum of American History: American Presidency: Ulysses S. Grant
Brief biographical sketch of America's eighteenth president includes background information on the era in which he served and linked-to objects from the Smithsonian's collections that help define the man and his presidency.