I need Beetle 1300cc help

Hi Foros, I need a little help.
I need the mechanical manual, that is, the workshop manual of a 1300cc Beetle of 1971.Cre this beauty and needs to go through Quirofano and I would like to start, if someone can tell me where to find it for free and in Spanish or you can send me the manual I will appreciate it forever, jijijij, a greeting a greeting