A series of letters from Samuel S. Caruthers to Stone. In the November 17, 1899 letter, Caruthers apologizes for his brother's (R. S. Caruthers) actions in removing items from the laboratory and taking them to his room. Caruthers explains that...
Agriculture--Louisiana--Madison Parish.; Agricultural machinery--Louisiana--Madison Parish.; Aerial spraying and dusting in agriculture--Louisiana--Madison Parish.; Saladiner, J. M.
Page 3 of pamphlet descibing dusting machine invented by J. M. Saladiner. Photo lab.
Agriculture--Louisiana--Photographs.; Plants--Effect of poisons on--Louisiana--Photographs.; Field crops--Louisiana--Photographs.; Maps--Photographs.; Ansbacher Chemical Co.
1920 calcium arsenate samples. Map showing localities furnishing samples of material made by the Ansbacher Chemical Co.
Agriculture--Louisiana--Photographs.; Plants--Effect of poisons on--Louisiana--Photographs.; Field crops--Louisiana--Photographs.; Maps--Photographs.; Corona Chemical Co.
1920 calcium arsenate samples. Map showing localities furnishing samples of material made by the Corona Chemical Co.
Agriculture--Louisiana--Photographs.; Plants--Effect of poisons on--Louisiana--Photographs.; Field crops--Louisiana--Photographs.; Maps--Photographs.; Glidden Chemical Co.
1920 calcium arsenate samples. Map showing localities furnishing samples of material made by Glidden Chemical Co.
Agriculture--Louisiana--Photographs.; Plants--Effect of poisons on--Louisiana--Photographs.; Field crops--Louisiana--Photographs.; Maps--Photographs.; Sherwin-Williams Co.
1920 calcium arsenate samples. Map showing localities furnishing samples of material made by Sherwin-Williams Co.
Agriculture--Louisiana--Photographs.; Plants--Effect of poisons on--Louisiana--Photographs.; Field crops--Louisiana--Photographs.; Maps--Photographs.; Standard Chemical Co.
1920 calcium arsenate samples. Map showing localities furnishing samples of material made by the Standard Chemical Co.
