Letters from William Tudor to his mother, Delia Jarvis Tudor,

Four letters written to his mother while she was traveling in Europe with sister Delia. He provides updates on the well being and activities of his siblings and father, including a coal mining venture undertaken by brother Frederic at Gay Head, Martha’s Vineyard. He also reports on the "miserable" state of the family’s finances and suggests marrying sister Delia to an Englishman with a fortune.

Letters from Stanhope Prevost to William Tudor,

Five letters regarding his investment in the Chanca silver mine, equipment needed, and his and Tudor’s partners in the venture, including Llaveria, Maling, and Miralles. Also includes personal news and information regarding the movements of certain sailing vessels.