This collection is made up of 7 letters that Phillip Amberg wrote to Samuel Chapin and Samuel Chapin, Jr., of Oneida, New York, between 1872 and 1899. From March 25, 1872-June 25, 1879 (3 items), he discussed the difficulty of his journey to Chihuahua, Mexico; his life in Chihuahua; cultural differences between the United States and Mexico; and his isolation from the United States and Europe. He mentioned political tensions in his letter of July 8, 1877, but reported that Chihuahua, which had had only two recent politically motivated murders, remained relatively calm.
Amberg's letters from Guadalajara, Mexico (March 14, 1886-January 15, 1892, 3 items), pertain to his business and financial affairs. His letter of June 14, 1886, contains medical advice for Samuel Chapin, Sr.; Amberg encouraged his friend to avoid specific medicines, to consult a homeopathic physician, and to travel to Europe for treatment rather than to Hot Springs, Arkansas. Amberg's final letter, written from an unknown location, contains expressions of appreciation to Samuel Chapin, Jr.