No.	Title	Date
481	Correspondence relating to the experimental planting of sugar cane in marl soil, Cape Sable District	1932
482	Articles about the Everglades	1932
483	Uncle Steve Robert	1932
484	Correspondence relating to proposed hunting and fishing lodge and preserve on Cape Sable	1933
485	Everglades birds, 1929-1933	1929/1933
486	Correspondence relating to proposed hunting and fishing preserve	1933
487	Letters to Bernard MacFadden	1933
488	Correspondence relating to efforts to procure loan to establish Florida Sugar Cane Plantations and rum distillery	1933
489	Correspondence relating to efforts to establish sugar plantations and a rum distillery in the Everglades	1934
490	Orchids and air plants, 1929-1933	1929/1933
491	Photographs depicting pines and pinelands, 1929-1933?	1933
492	Photographs of plants approximately 1913-1934 / collected and captioned by Gifford.	1934
493	Map showing completed canals in Southern Drainage District to June 1, 1934.	1934
494	Correspondence relating to efforts to establish a rum distillery in the Everglades	1935
495	Correspondence relating to Everglades Drainage District taxes and board	1934
496	Correspondence	1934
497	Florida's gift to America	1934
498	Typed copy of bill submitted in the House of Representatives, 73rd Congress	1934
499	Tamiami Trail, 1899-1934 (bulk 1920-1928)	1934
500	Correspondence relating to the Southern Drainage District	1934