A, 1911 Box 1, Folder 17 Columbia University Archives Department of Classics records, 1885-1992Series I: Correspondence, 1910-1955Clarence H. Young, Executive Officer Letter File II, 1911 May-1913 August
A, 1913-1914 Box 1, Folder 60 Columbia University Archives Department of Classics records, 1885-1992Series I: Correspondence, 1910-1955Clarence H. Young, Executive Officer Letter File III, 1913 September-1915 February
A, 1915-1916 Box 2, Folder 7 Columbia University Archives Department of Classics records, 1885-1992Series I: Correspondence, 1910-1955Clarence H. Young, Executive Officer Letter File IV, 1915 February-1916 November
A, 1917 Box 2, Folder 43 Columbia University Archives Department of Classics records, 1885-1992Series I: Correspondence, 1910-1955Clarence H. Young, Executive Officer Letter File V, 1916 December-1919 December
A, 1920-1922 Box 3, Folder 1 Columbia University Archives Department of Classics records, 1885-1992Series I: Correspondence, 1910-1955Clarence H. Young, Executive Officer Letter File VI, 1919 December-1922 August
A, 1922 Box 3, Folder 24 Columbia University Archives Department of Classics records, 1885-1992Series I: Correspondence, 1910-1955Clarence H. Young, Executive Officer Letter File VIII, 1922 September-1924 September
A, 1924-1926 Box 3, Folder 62 Columbia University Archives Department of Classics records, 1885-1992Series I: Correspondence, 1910-1955Clarence H. Young, Executive Officer Letter File VIII, 1924 September-1926 September
A, 1926-1928 Box 3, Folder 86 Columbia University Archives Department of Classics records, 1885-1992Series I: Correspondence, 1910-1955Clarence H. Young, Executive Officer Letter File IX, 1926 September-1928 September
A, 1929-1930 Box 4, Folder 33 Columbia University Archives Department of Classics records, 1885-1992Series I: Correspondence, 1910-1955Clarence H. Young, Executive Officer Letter File X, 1929 January-1930 July
A, 1930-1931 Box 4, Folder 54 Columbia University Archives Department of Classics records, 1885-1992Series I: Correspondence, 1910-1955Clarence H. Young, Executive Officer Letter File, 1930 August-1931 December