Georgia. Department of Agriculture. "Individual samples of commercial fertilizers inspected and analyzed in the state of Georgia year 1929 which were subject to penalty for non-compliance with the law of the state, 1929 December 15." University of Georgia. Map and Government Information Library. 1929-12-15, https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-ba400-b-pb1-bno-p-b114.

Georgia. Department of Agriculture (1929-12-15). Individual samples of commercial fertilizers inspected and analyzed in the state of Georgia year 1929 which were subject to penalty for non-compliance with the law of the state, 1929 December 15. Retrieved from https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-ba400-b-pb1-bno-p-b114

Georgia. Department of Agriculture. "Individual samples of commercial fertilizers inspected and analyzed in the state of Georgia year 1929 which were subject to penalty for non-compliance with the law of the state, 1929 December 15." 1929-12-15. October 7, 2026. https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-ba400-b-pb1-bno-p-b114.