self-publishing
publication of a book or other publications by the author or authors
samizdat
key form of dissident activity across the Soviet bloc in which individuals reproduced censored and underground publications by hand and passed the documents from reader to reader
Letters to the Heretics: Correspondence with the Leaders of the New Italian Left
1977 satirical forgery, an epistolary apocryphally attributed to Enrico Berlinguer (head of the Italian Communist Party) and presented as a text by Einaudi Editore, with an apocryphal preface of Giulio Einaudi, founder of the publisher Einaudi