1. University of Pennsylvania, Oversize LJS 254 Title: Buch von den probierten Kü̈̈nsten Author: Franz Helm Date: 1562
2. University of Pennsylvania, Oversize LJS 442 Title: Buch von den probierten Künsten Author: Franz Helm Place: Bavaria Date: [between 1585 and 1599?]
3. University of Pennsylvania, Oversize Ms. Codex 109 Title: Feuer Buech Author: Franz Helm Place: Germany Date: 1584.
4. University of Pennsylvania, Ms. Codex 129 Title: Feuerwerkbuch Place: Germany Date: [late 16th century?]
5. University of Pennsylvania, Oversize Ms. Codex 1797 Title: Schwebell zuem Pulffer unnd Feuuerwercken zue beraitten Author: Franz Helm Place: Bavaria Date: [circa 1598]