The Society sponsored, in cooperation with the World Wide Broadcasting Foundation, a series of lectures, principally on internationalism in science, "to those countries overeas where there is still interest in progress of science and learning." Included in this group of documents are transcripts of broadcasts, as well as some background letters and related matter. For published reports by the Society on these broadcasts see the "Year Book", 1942-1943. Speakers include: Charles G. Abbott, W. Lloyd Aycock, Frank Aydelotte, Francis Biddle, Edwin G. Conklin, Edward S. Corwin, Karl K. Darrow, Sir Angus Fletcher, George Gallup, Cecilia Payne Gaposchkin, Philip C. Jessup, Alfred C. Lane, L. Don Leet, William Draper Lewis, Kirtley F. Mather, Elmer D. Merrill, Spencer Miller, Jr., Robert A. Millikan, Robert C. Murphy, Harlow Shapley, Horace W. Stunkard, W. F. G. Swann, T. Wayland Vaughan.