Stright from Wikipedia: Lithography is a method for printing using a plate or stone with a completely smooth surface. Most books, indeed all types of high-volume text, are now printed using offset...
Lithograph is a type of print, not a medium. Printing is a medium, painting is a medium, lithography is a medium, but a lithograph is a product, like A painting is a product.
Lithos are usually...
HC= Hors de Commerce. An impression pulled outside the edition for the personal use of the master printer and the printer-collaborator, if any, or the publisher (the group or individual funding the...