Charles Hullmandel

• Hullmandel's neues lithographisches Verfahren
• On some further improvements in lithographic printing
• On some important improvements in lithographic printing
• The art of drawing on stone
• Twenty-four views of Italy, drawn from nature and engraved upon stone
• [A collection of proof impressions and experiments made by C. Hullmandel in his attempts to improve the art of lithography]