The Chainbreaker: Literature
Chvalovský, J & Kašpar, Jiří. The Chainbreaker (Liberated Republic): a specialized handbook for collectors of stamps, covers and postal stationary, with pricing, technical, and historical information. Translated by Mark Wilson. Winchester VA, Knihtisk, 2006. 79 pages, illus.
Moravec, Jaroslav. Survey Study of the Chainbreaker 20h Red. Translated by Mark Wilson. Winchester VA, Knihtisk, 2006. Illus. [Translation incomplete]