1. Letter from Richard M. Pearce to Alan Gregg Creator: ?The? Rockefeller FoundationPearce, Richard M. Date: 13 February 1929 Genre: Letters (correspondence)
2. Diary entry on visit to Hugh Cairns's house Creator: Gregg, Alan Date: 23 January 1929 Genre: Diaries
3. Report on Medical Education--University of Mexico--Based on Visit to Mexico August 13-27, 1923, by Doctor Alan Gregg Creator: Gregg, Alan Date: 22 October 1923 Genre: Reports
4. Letter from Roger S. Greene to Alan Gregg Creator: Zhongguo xie he yi ke da xueGreene, Roger S. Date: 21 November 1930 Genre: Letters (correspondence)