The title of the book is "Christian Economy." Three other Theology books were printed in Oberlin in 1840. (from the unnamed article included with the photograph) verso: "Mrs. Paul B. Arnold, Sarah Ann Clagett '41"
Carlos Guastavino (1912-2000), Argentine composer
In (???), Guastavino was interviewed by Ana Cara and Lawrence MacDonald, Oberlin professors. He wrote musical settings for J.L. Borges' milongas. this is a typed transcription of that conversation.