American Amateur Press Association - Resources for letterpress printers.

Briar Press - "An educational and practical resource for the letterpress printer, the bibliophile, the enthusiast, and the curious."

British Printing Society - "UK group made up of amateur printers, typographers and enthusists."

Canadian Private Presses - List of private presses and resources in Canada.

Five Roses Press: Introduction to Letterpress Printing - "A beginner's guide and listing of resources including reference sources, programs, museums, equipment, paper and suppliers."

Letterpress Alive? - "Lists associations, equipment, suppliers, education, and printers in the U. K."

Letterpress Printing - Detailed information about the process and its most common uses. Provided by the Printers' National Environmental Assistance Center.

Letterpress Printing as a Hobby - A collection of letterpress resources.

Private Presses of the UK - "List of private presses, letterpress studios and other related resources in the UK."

SENIOR Graphic Machinery - Specialising in heidelberg letterpress cylinders.