It is now available as part of The Elia Kazan Collection (release date 2010 Nov 9). I don't think there was a rights issue, just a lack of confidence on the studio's part that it would sell a sufficient number of copies.
Emiliano Zapata, Josefa Zapata, Eufemio Zapata, Fernando Aguirre, Pancho Villa, Francisco Madero, Victoriano Huerta, and General Porfirio Díaz
What is the plot of Viva Zapata!?
The story of Mexican revolutionary Emiliano Zapata, who led a rebellion against the corrupt, oppressive dictatorship of President Porfirio Díaz in the early 20th century.
What was the budget for Viva Zapata!?
$1.8 million
What is Viva Zapata! rated?
TV-PG
What genre is Viva Zapata!?
Biographical, Drama, Historical Drama, Historical, and Western
How many awards has Viva Zapata! won?
5 awards
How many awards has Viva Zapata! been nominated for?
