It has been published in its own website http://www.elcervantes.org. I highly recommend it if you read Spanish.
Using the history of T.N.C. he explores the trajectory of Argentinean Theatre in general and – by extrapolation – its tangled thread of art and politics for over a century.
At this point he is trying to get some form of hard-copy publishing under way. You’d think the T.N.C. would jump at the chance to get the material out there, but it hasn’t made it past the “promises” stage. Pretty sad, really; and a telling indictment of the situation of the venerable institution.