Correspondence received

Description

Subseries A, Correspondence received, 1822-1881, undated, includes many family letters from Silas Casey's father, Wanton Casey (1760-1842); his siblings; his wife, Abby Pearce Casey (1813-1862); various nieces and nephews; and later, grandchildren. General correspondence, from friends and colleagues, contains discussions and commentary on Indian affairs and wars, the campaign in Mexico, and the Battle of Fair Oaks, about which there was considerable controversy. Included here is a letter of support from the Secretary of War, Edwin M. Stanton. Other areas of commentary include mathematics and algebra, and military tactics. A letter from Sarah Whiting, physics professor at the newly established Wellesley College, requests advice regarding a question of analytical geometry.