Armour Pharmaceutical Co., undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Ayerst Laboratories, undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
CIBA, undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Hoffman-LaRoche, undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Lilly Research Labs (Eli Lilly), undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Miscellaneous Drug Concerns (Labs & Institutes), undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Mead, Johnson Co., undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Merck, Sharpe & Dohme, undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Wm. S. Merrell Co., undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Pfizer Co., undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Purina General Research Lab, undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Schering Corp., undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Sandoz, Inc., undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Searle, G.D. and Company, undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Smith, Kline & French, undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Squibb, E.R., undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Sterling-Winthrop Research Institute (Dr. C.M. Suter), undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Strasenburgh Co., undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
UpJohn Company (For Norman Marshall, See "Inactive Personnel"), undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963
Wilson Laboratories, undated Box 6 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Pharmaceutical Correspondence, 1947-1963