No.	Title	Date
21	Notes and transcripts relating to the King survey and Hamilton Disston's drainage and sugar plantation projects	1920
22	Pamphlet and photographs relating to sugar industry in Florida	1921
23	Papers, mainly relating to sugar cultivation in the Everglades	1932
24	Pennsuco sugar plantation, 1921-1922	1921/1922
25	Records relating to settlements and development in the Everglades, 1917-1924.	1924
26	Why sugar costs so much	1923