1. Cultivation of cigar-leaf tobacco in Florida; by Marcus L. Floyd. Bookmark Corporate/Agency Authors: Soils Bureau and Agriculture Dept. Publisher: Soils Bureau Date: 1899 [reprint 1908]
2. Cultivation of tobacco in Sumatra, by Emile Mulder. Bookmark Corporate/Agency Authors: Soils Bureau and Agriculture Dept. Publisher: Soils Bureau Date: 1898 [reprint 1908]