Herman J. Saatkamp Jr.

• Letters of George Santayana, Book Eight, 1948-1952
• Letters of George Santayana, Book Five, 1933-1936
• Letters of George Santayana, Book Four, 1928-1932
• Letters of George Santayana, Book One [1868]-1909
• Letters of George Santayana, Book Seven, 1941-1947
• Letters of George Santayana, Book Six, 1937-1940
• Letters of George Santayana, Book Three, 1921-1927
• Letters of George Santayana, Book Two, 1910-1920