Biographical Note/Scope and Content
| Series 1 | Correspondence, 1891-1955, undated |
| Series 2 | Nicholas J. Peña's School Work, 1901, 1904-1906 |
| Series 3 | Note Books, [1887-1919] |
| Series 4 | Photography, 1901, undated |
| Series 5 | Printed Materials, [1905-1960], undated |