File American Institute of Chemical Engineers Box 4 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File American Society for Testing Materials Box 4 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Amtorg Trading Corporation Box 4 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Andrews, John Box 4 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Ashland Refining Company Box 4 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File British-American Oil Refineries, Ltd. Box 4 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Coley, Samuel B. Box 4 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Craig Oil Company, Toledo, Ohio Box 4 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Darling and Co. Box 4 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Dorr Company Box 4 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933