File Nixon, Frank H. Box 5 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Old Dutch Refining Company Box 5 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Pennsylvania Refining Company Box 5 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Pennzoil Company Box 5 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Petroleum Engineer Box 5 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Petty, Curtis Box 5 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Petty, Earl Box 5 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Podbielmak, Walter J. Box 5 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Quaker State Oil Refining Company Box 5 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933
File Republic Oil Refining Company Box 5 In: Eugene H. Leslie Papers, 1916-1964 » Alphabetical Correspondence Files, 1916-1964 » A-Z, 1928-1933