1
Publicado 1973
“...Du Pont de Nemours (E.I.) and Company...”
Libro
2
Publicado 1954
“...Du Pont de Nemours (E. I.) and Company, Wilmington, Del....”
Libro
3
Publicado 1949
“...Du Pont de Nemours (E. I.) and Company, Wilmington, Del....”
Libro
4
Publicado 1952
“...Du Pont de Nemours (E. I.) Powder Company...”
Libro
5
Publicado 1961
“...Du Pont de Nemours (E. I.) and Company, Wilmington, Del....”
Libro