Dr. Angel Garma, Buenos Aires, Argentina, undated Box 1 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Correspondence, 1945-1966
Guillemin, Roger, undated Box 1 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Correspondence, 1945-1966
Halberg, Franz, undated Box 1 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Correspondence, 1945-1966
Hirsch, Jules, undated Box 2 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Correspondence, 1945-1966
Hofmann, Klaus, undated Box 2 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Correspondence, 1945-1966
Holman, Dr. Ralph T., undated Box 2 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Correspondence, 1945-1966
Kagan, B.F., undated Box 2 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Correspondence, 1945-1966
Ingle, Dwight, undated Box 2 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Correspondence, 1945-1966
Kahn, Dr. Benjamin M. (Hillel), undated Box 2 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Correspondence, 1945-1966
Kaplan, Norman M., undated Box 2 Bookmark Collection Context Frank Libman Engel Papers, 1934-1990Correspondence, 1945-1966