Guilt by association was reflected back from the multiplicity of - usually frightful - unauthorized editions, and Sambo became a pariah.

First published anonymously, March 1880, and soon in various unauthorized editions.

Improper use of materials outside of this legislation is deemed "unauthorized edition", not piracy.

The authenticity of the unauthorized edition has been disputed.

Like so many big-sellers, though, it was pirated and sales of the unauthorized editions matched or surpassed those of the authorized.

It was published in a very small, unauthorized edition in 1945, with an authorized edition not appearing until 2001.

It was reprinted numerous times, including in unauthorized editions.

Piracy was a problem, as were texts changed, mutilated or combined in unauthorized editions.

Aside from wishing to discredit any unauthorized editions, Erasmus did wish to contribute to the existing scholarship on style.

Ace Books then proceeded to publish an edition, unauthorized by Tolkien and without paying royalties to him.