W, 1925-1930 Box 20, Folder 14 Columbia University Archives School of Mines and School of Engineering and Applied Sciences records, 1863-2007Series II: Administrative Records, 1895-1936Subseries II.1: Correspondence, circa 1900-1936Dean's Correspondence, 1925-1930
W, 1930-1934 Box 22, Folder 14 Columbia University Archives School of Mines and School of Engineering and Applied Sciences records, 1863-2007Series II: Administrative Records, 1895-1936Subseries II.1: Correspondence, circa 1900-1936Dean's Correspondence, 1930-1934
W, 1934-1936 Box 23, Folder 29 Columbia University Archives School of Mines and School of Engineering and Applied Sciences records, 1863-2007Series II: Administrative Records, 1895-1936Subseries II.1: Correspondence, circa 1900-1936Dean's Correspondence, 1934-1936
Westinghouse Electric and Manufacturing Co., 1930-1934 Box 22, Folder 15 Columbia University Archives School of Mines and School of Engineering and Applied Sciences records, 1863-2007Series II: Administrative Records, 1895-1936Subseries II.1: Correspondence, circa 1900-1936Dean's Correspondence, 1930-1934
X, Y, Z, 1910 Box 4, Folder 32 Columbia University Archives School of Mines and School of Engineering and Applied Sciences records, 1863-2007Series II: Administrative Records, 1895-1936Subseries II.1: Correspondence, circa 1900-1936Dean's Correspondence, circa 1900-1910
X, Y, Z, 1910-1915 Box 15, Folder 4 Columbia University Archives School of Mines and School of Engineering and Applied Sciences records, 1863-2007Series II: Administrative Records, 1895-1936Subseries II.1: Correspondence, circa 1900-1936Dean's Correspondence, 1910-1915
X, Y, Z, 1915-1920 Box 17, Folder 10 Columbia University Archives School of Mines and School of Engineering and Applied Sciences records, 1863-2007Series II: Administrative Records, 1895-1936Subseries II.1: Correspondence, circa 1900-1936Dean's Correspondence, 1915-1920
X, Y, Z, 1920-1925 Box 19, Folder 6 Columbia University Archives School of Mines and School of Engineering and Applied Sciences records, 1863-2007Series II: Administrative Records, 1895-1936Subseries II.1: Correspondence, circa 1900-1936Dean's Correspondence, 1920-1925
X, Y, Z, 1925-1930 Box 20, Folder 15 Columbia University Archives School of Mines and School of Engineering and Applied Sciences records, 1863-2007Series II: Administrative Records, 1895-1936Subseries II.1: Correspondence, circa 1900-1936Dean's Correspondence, 1925-1930
X, Y, Z, 1930-1934 Box 22, Folder 16 Columbia University Archives School of Mines and School of Engineering and Applied Sciences records, 1863-2007Series II: Administrative Records, 1895-1936Subseries II.1: Correspondence, circa 1900-1936Dean's Correspondence, 1930-1934