VI. HISTORICAL NOTES ON MAIZE GENETICS COOPERATION
| I. | Mimeographed letter of April 12, 1929 mentions "Cornfab" held in Dr. Emerson's room in N.Y. hotel at the time of the Christmas meetings, 1928. Long folder of linkage information issued with this letter, considered News Letter 1. |
| II. | Second folder of mimeographed information issued some time after the first one, perhaps late in 1929 or in 1930. |
| Cooperation of maize geneticists planned at Sixth International Congress of Genetics, at Ithaca, N.Y., August, 1932. | |
| Letter of October 5, 1932 notifying corn geneticists of action taken at the Genetics Congress. Chromosomes assigned to different individuals. A second general letter sent out Dec. 12, 1932. | |
| Correspondence by Dr. Emerson about possible grant of money for Maize Genetics Cooperation, January 1933. | |
| III. | Third Corn News Letter - Jan. 23, 1933. Long list of known genes of maize. |
| Letter of Nov. 13, 1933 gave samples of news items and asked for news contributions. | |
| IV. | News Letter - Dec. 19, 1933. Many news items contributed by cooperators. Letter of 12 pages. |
| V. | News Letter - Jan, 25, 1934. Big inventory of corn stocks. |
| VI. | Letter of Feb, 21, 1934. Discussion of nomenclature. |
| April 1, 1934. Rockefeller Grant available. | |
| VII. | News Letter - Sept. 13, 1934. 11 pages. |
| VIII. | News Letter. November 24, 1934. 18 pages. |
| IX. | News Letter - March 6, 1935. 20 pages. |
| X. | News Letter - March 4, 1936. 22 pages. |
| XI. | News Letter - March 23, 1937. 26 pages. |
| XII. | News Letter - March 6, 1938. 39 pages, 2 maps. |
| XIII. | News Letter - April 15, 1939. 22 pages. |
| XIV. | News Letter - March 5, 1940. 56 pages. |