Contains Lansburgh's statement of citizenship, and a carbon copy of an extensive account of his travels throughout Europe, Great Britain, and the Middle East, addressed to his aunt and brother and preserved as a personal diary. Also contains some early artistic drawings by Lansburgh, completed in 1891. Includes many drawings and notebooks completed when he was a student at L'Ecole des Beaux Arts in Paris, and a few unidentified photographs. The correspondence includes a series of letters in French from J.L. Pascal, one of his instructors from the Beaux Arts, and other letters in both English and French, including several from George Toy. Also includes a copy of his MIT entrance exams, dated 1894, and several photographs of California missions.