No.	Title	Date
521	Letter from Nathaniel S. Thomas	1931
522	Letter from Truman E. Duncan, Jr. Water Resources Director of Miccosukee Tribe of Indians of Florida, Elmore Kerkela, Arch Creek Trust, Miami, Florida, January 19, 1995, inviting the Trust to join them in their efforts to save the Everglades.	1994-07-21
523	Letter relating to lands at Flamingo (Cape Sable)	1913
524	Letter to Charles S. Walker regarding land sales, October 19, 1925
525	Letter to Charles West in Regards to his Everglades Efforts ( 2 items )
526	Letter to Charles West in Response to Delayed Park Boundaries	1937-08-16
527	Letter to Ernest Coe, December 8, 1932	1932
528	Letter to Governor Sholtz Regarding the Everglades Park Area	1936-05-04
529	Letter to Harold Ickes Arranging a Meeting	1936-08-27
530	Letter to Lucien A. Spencer	1925
531	Letter to Marjory Stoneman Douglas, September 28, 1920.
532	Letter to Scott M. Loftin ( 3 items )
533	Letter to Willson from P. A. Vans Agnew	1925
534	Letter to W.J. Sears (Page 1) ( 2 items )
535	Letter: Ernest F. Coe to Mrs. W.S. Jennings, April 14th, 1937	1937-04-14
536	Letter: Ernest F. Coe to Mrs. W.S. Jennings, December 10th, 1935	1935-12-10
537	Letter: Ernest F. Coe to Mrs. W.S. Jennings, May 12, 1936	1936-05-12
538	Letter: Ernest F. Coe to Mrs. W.S. Jennings, May 26th, 1937	1937-05-26
539	Letter: Ernest F. Coe to Mrs. W.S. Jennings, May 29th, 1937	1937-05-29
540	Letter: Ernest F. Coe to Mrs. W.S. Jennings, May 6th, 1937	1937-05-06